20966850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 120

約数和(自身を含む): 60496128

約数和(自身を除く): 39529278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 150, 155, 162, 167, 186, 225, 270, 279, 310, 334, 405, 450, 465, 501, 558, 675, 775, 810, 835, 837, 930, 1002, 1350, 1395, 1503, 1550, 1670, 1674, 2025, 2325, 2505, 2511, 2790, 3006, 4050, 4175, 4185, 4509, 4650, 5010, 5022, 5177, 6975, 7515, 8350, 8370, 9018, 10354, 12525, 12555, 13527, 13950, 15030, 15531, 20925, 22545, 25050, 25110, 25885, 27054, 31062, 37575, 41850, 45090, 46593, 51770, 62775, 67635, 75150, 77655, 93186, 112725, 125550, 129425, 135270, 139779, 155310, 225450, 232965, 258850, 279558, 338175, 388275, 419337, 465930, 676350, 698895, 776550, 838674, 1164825, 1397790, 2096685, 2329650, 3494475, 4193370, 6988950, 10483425, 20966850]

約数ペア:

[(1, 20966850), (2, 10483425), (3, 6988950), (5, 4193370), (6, 3494475), (9, 2329650), (10, 2096685), (15, 1397790), (18, 1164825), (25, 838674), (27, 776550), (30, 698895), (31, 676350), (45, 465930), (50, 419337), (54, 388275), (62, 338175), (75, 279558), (81, 258850), (90, 232965), (93, 225450), (135, 155310), (150, 139779), (155, 135270), (162, 129425), (167, 125550), (186, 112725), (225, 93186), (270, 77655), (279, 75150), (310, 67635), (334, 62775), (405, 51770), (450, 46593), (465, 45090), (501, 41850), (558, 37575), (675, 31062), (775, 27054), (810, 25885), (835, 25110), (837, 25050), (930, 22545), (1002, 20925), (1350, 15531), (1395, 15030), (1503, 13950), (1550, 13527), (1670, 12555), (1674, 12525), (2025, 10354), (2325, 9018), (2505, 8370), (2511, 8350), (2790, 7515), (3006, 6975), (4050, 5177), (4175, 5022), (4185, 5010), (4509, 4650)]