20434605660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{25301}}^1$

素因数の和:25964

約数の個数: 144

約数和(自身を含む): 70953285312

約数和(自身を除く): 50518679652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 641, 1260, 1282, 1923, 2564, 3205, 3846, 4487, 5769, 6410, 7692, 8974, 9615, 11538, 12820, 13461, 17948, 19230, 22435, 23076, 25301, 26922, 28845, 38460, 40383, 44870, 50602, 53844, 57690, 67305, 75903, 80766, 89740, 101204, 115380, 126505, 134610, 151806, 161532, 177107, 201915, 227709, 253010, 269220, 303612, 354214, 379515, 403830, 455418, 506020, 531321, 708428, 759030, 807660, 885535, 910836, 1062642, 1138545, 1518060, 1593963, 1771070, 2125284, 2277090, 2656605, 3187926, 3542140, 4554180, 5313210, 6375852, 7969815, 10626420, 15939630, 16217941, 31879260, 32435882, 48653823, 64871764, 81089705, 97307646, 113525587, 145961469, 162179410, 194615292, 227051174, 243269115, 291922938, 324358820, 340576761, 454102348, 486538230, 567627935, 583845876, 681153522, 729807345, 973076460, 1021730283, 1135255870, 1362307044, 1459614690, 1702883805, 2043460566, 2270511740, 2919229380, 3405767610, 4086921132, 5108651415, 6811535220, 10217302830, 20434605660]

約数ペア:

[(1, 20434605660), (2, 10217302830), (3, 6811535220), (4, 5108651415), (5, 4086921132), (6, 3405767610), (7, 2919229380), (9, 2270511740), (10, 2043460566), (12, 1702883805), (14, 1459614690), (15, 1362307044), (18, 1135255870), (20, 1021730283), (21, 973076460), (28, 729807345), (30, 681153522), (35, 583845876), (36, 567627935), (42, 486538230), (45, 454102348), (60, 340576761), (63, 324358820), (70, 291922938), (84, 243269115), (90, 227051174), (105, 194615292), (126, 162179410), (140, 145961469), (180, 113525587), (210, 97307646), (252, 81089705), (315, 64871764), (420, 48653823), (630, 32435882), (641, 31879260), (1260, 16217941), (1282, 15939630), (1923, 10626420), (2564, 7969815), (3205, 6375852), (3846, 5313210), (4487, 4554180), (5769, 3542140), (6410, 3187926), (7692, 2656605), (8974, 2277090), (9615, 2125284), (11538, 1771070), (12820, 1593963), (13461, 1518060), (17948, 1138545), (19230, 1062642), (22435, 910836), (23076, 885535), (25301, 807660), (26922, 759030), (28845, 708428), (38460, 531321), (40383, 506020), (44870, 455418), (50602, 403830), (53844, 379515), (57690, 354214), (67305, 303612), (75903, 269220), (80766, 253010), (89740, 227709), (101204, 201915), (115380, 177107), (126505, 161532), (134610, 151806)]