20784420900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{119657}}^1$

素因数の和:119870

約数の個数: 108

約数和(自身を含む): 65485712292

約数和(自身を除く): 44701291392

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 193, 225, 300, 386, 450, 579, 772, 900, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 4825, 5790, 6948, 8685, 9650, 11580, 14475, 17370, 19300, 28950, 34740, 43425, 57900, 86850, 119657, 173700, 239314, 358971, 478628, 598285, 717942, 1076913, 1196570, 1435884, 1794855, 2153826, 2393140, 2991425, 3589710, 4307652, 5384565, 5982850, 7179420, 8974275, 10769130, 11965700, 17948550, 21538260, 23093801, 26922825, 35897100, 46187602, 53845650, 69281403, 92375204, 107691300, 115469005, 138562806, 207844209, 230938010, 277125612, 346407015, 415688418, 461876020, 577345025, 692814030, 831376836, 1039221045, 1154690050, 1385628060, 1732035075, 2078442090, 2309380100, 3464070150, 4156884180, 5196105225, 6928140300, 10392210450, 20784420900]

約数ペア:

[(1, 20784420900), (2, 10392210450), (3, 6928140300), (4, 5196105225), (5, 4156884180), (6, 3464070150), (9, 2309380100), (10, 2078442090), (12, 1732035075), (15, 1385628060), (18, 1154690050), (20, 1039221045), (25, 831376836), (30, 692814030), (36, 577345025), (45, 461876020), (50, 415688418), (60, 346407015), (75, 277125612), (90, 230938010), (100, 207844209), (150, 138562806), (180, 115469005), (193, 107691300), (225, 92375204), (300, 69281403), (386, 53845650), (450, 46187602), (579, 35897100), (772, 26922825), (900, 23093801), (965, 21538260), (1158, 17948550), (1737, 11965700), (1930, 10769130), (2316, 8974275), (2895, 7179420), (3474, 5982850), (3860, 5384565), (4825, 4307652), (5790, 3589710), (6948, 2991425), (8685, 2393140), (9650, 2153826), (11580, 1794855), (14475, 1435884), (17370, 1196570), (19300, 1076913), (28950, 717942), (34740, 598285), (43425, 478628), (57900, 358971), (86850, 239314), (119657, 173700)]