20456083980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{218969}}^1$

素因数の和:219160

約数の個数: 96

約数和(自身を含む): 64009310400

約数和(自身を除く): 43553226420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 173, 180, 270, 346, 519, 540, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 4671, 5190, 6228, 7785, 9342, 10380, 15570, 18684, 23355, 31140, 46710, 93420, 218969, 437938, 656907, 875876, 1094845, 1313814, 1970721, 2189690, 2627628, 3284535, 3941442, 4379380, 5912163, 6569070, 7882884, 9853605, 11824326, 13138140, 19707210, 23648652, 29560815, 37881637, 39414420, 59121630, 75763274, 113644911, 118243260, 151526548, 189408185, 227289822, 340934733, 378816370, 454579644, 568224555, 681869466, 757632740, 1022804199, 1136449110, 1363738932, 1704673665, 2045608398, 2272898220, 3409347330, 4091216796, 5114020995, 6818694660, 10228041990, 20456083980]

約数ペア:

[(1, 20456083980), (2, 10228041990), (3, 6818694660), (4, 5114020995), (5, 4091216796), (6, 3409347330), (9, 2272898220), (10, 2045608398), (12, 1704673665), (15, 1363738932), (18, 1136449110), (20, 1022804199), (27, 757632740), (30, 681869466), (36, 568224555), (45, 454579644), (54, 378816370), (60, 340934733), (90, 227289822), (108, 189408185), (135, 151526548), (173, 118243260), (180, 113644911), (270, 75763274), (346, 59121630), (519, 39414420), (540, 37881637), (692, 29560815), (865, 23648652), (1038, 19707210), (1557, 13138140), (1730, 11824326), (2076, 9853605), (2595, 7882884), (3114, 6569070), (3460, 5912163), (4671, 4379380), (5190, 3941442), (6228, 3284535), (7785, 2627628), (9342, 2189690), (10380, 1970721), (15570, 1313814), (18684, 1094845), (23355, 875876), (31140, 656907), (46710, 437938), (93420, 218969)]