20189484420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:1170

約数の個数: 192

約数和(自身を含む): 65174409216

約数和(自身を除く): 44984924796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 227, 420, 421, 454, 503, 681, 842, 908, 1006, 1135, 1263, 1362, 1509, 1589, 1684, 2012, 2105, 2270, 2515, 2526, 2724, 2947, 3018, 3178, 3405, 3521, 4210, 4540, 4767, 5030, 5052, 5894, 6036, 6315, 6356, 6810, 7042, 7545, 7945, 8420, 8841, 9534, 10060, 10563, 11788, 12630, 13620, 14084, 14735, 15090, 15890, 17605, 17682, 19068, 21126, 23835, 25260, 29470, 30180, 31780, 35210, 35364, 42252, 44205, 47670, 52815, 58940, 70420, 88410, 95340, 95567, 105630, 114181, 176820, 191134, 211260, 211763, 228362, 286701, 342543, 382268, 423526, 456724, 477835, 570905, 573402, 635289, 668969, 685086, 799267, 847052, 955670, 1058815, 1141810, 1146804, 1270578, 1337938, 1370172, 1433505, 1482341, 1598534, 1712715, 1911340, 2006907, 2117630, 2283620, 2397801, 2541156, 2675876, 2867010, 2964682, 3176445, 3197068, 3344845, 3425430, 3996335, 4013814, 4235260, 4447023, 4795602, 5734020, 5929364, 6352890, 6689690, 6850860, 7411705, 7992670, 8027628, 8894046, 9591204, 10034535, 11989005, 12705780, 13379380, 14823410, 15985340, 17788092, 20069070, 22235115, 23978010, 29646820, 40138140, 44470230, 47956020, 48070201, 88940460, 96140402, 144210603, 192280804, 240351005, 288421206, 336491407, 480702010, 576842412, 672982814, 721053015, 961404020, 1009474221, 1345965628, 1442106030, 1682457035, 2018948442, 2884212060, 3364914070, 4037896884, 5047371105, 6729828140, 10094742210, 20189484420]

約数ペア:

[(1, 20189484420), (2, 10094742210), (3, 6729828140), (4, 5047371105), (5, 4037896884), (6, 3364914070), (7, 2884212060), (10, 2018948442), (12, 1682457035), (14, 1442106030), (15, 1345965628), (20, 1009474221), (21, 961404020), (28, 721053015), (30, 672982814), (35, 576842412), (42, 480702010), (60, 336491407), (70, 288421206), (84, 240351005), (105, 192280804), (140, 144210603), (210, 96140402), (227, 88940460), (420, 48070201), (421, 47956020), (454, 44470230), (503, 40138140), (681, 29646820), (842, 23978010), (908, 22235115), (1006, 20069070), (1135, 17788092), (1263, 15985340), (1362, 14823410), (1509, 13379380), (1589, 12705780), (1684, 11989005), (2012, 10034535), (2105, 9591204), (2270, 8894046), (2515, 8027628), (2526, 7992670), (2724, 7411705), (2947, 6850860), (3018, 6689690), (3178, 6352890), (3405, 5929364), (3521, 5734020), (4210, 4795602), (4540, 4447023), (4767, 4235260), (5030, 4013814), (5052, 3996335), (5894, 3425430), (6036, 3344845), (6315, 3197068), (6356, 3176445), (6810, 2964682), (7042, 2867010), (7545, 2675876), (7945, 2541156), (8420, 2397801), (8841, 2283620), (9534, 2117630), (10060, 2006907), (10563, 1911340), (11788, 1712715), (12630, 1598534), (13620, 1482341), (14084, 1433505), (14735, 1370172), (15090, 1337938), (15890, 1270578), (17605, 1146804), (17682, 1141810), (19068, 1058815), (21126, 955670), (23835, 847052), (25260, 799267), (29470, 685086), (30180, 668969), (31780, 635289), (35210, 573402), (35364, 570905), (42252, 477835), (44205, 456724), (47670, 423526), (52815, 382268), (58940, 342543), (70420, 286701), (88410, 228362), (95340, 211763), (95567, 211260), (105630, 191134), (114181, 176820)]