20012607836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{23879}}^1$

素因数の和:24194

約数の個数: 48

約数和(自身を含む): 38417379840

約数和(自身を除く): 18404772004

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 227, 284, 454, 908, 923, 1846, 2951, 3692, 5902, 11804, 16117, 23879, 32234, 47758, 64468, 95516, 209521, 310427, 419042, 620854, 838084, 1241708, 1695409, 3390818, 5420533, 6781636, 10841066, 21682132, 22040317, 44080634, 70466929, 88161268, 140933858, 281867716, 384857843, 769715686, 1539431372, 5003151959, 10006303918, 20012607836]

約数ペア:

[(1, 20012607836), (2, 10006303918), (4, 5003151959), (13, 1539431372), (26, 769715686), (52, 384857843), (71, 281867716), (142, 140933858), (227, 88161268), (284, 70466929), (454, 44080634), (908, 22040317), (923, 21682132), (1846, 10841066), (2951, 6781636), (3692, 5420533), (5902, 3390818), (11804, 1695409), (16117, 1241708), (23879, 838084), (32234, 620854), (47758, 419042), (64468, 310427), (95516, 209521)]