20919390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5323}}^1$

素因数の和:5464

約数の個数: 32

約数和(自身を含む): 50599296

約数和(自身を除く): 29679906

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5323, 10646, 15969, 26615, 31938, 53230, 79845, 159690, 697313, 1394626, 2091939, 3486565, 4183878, 6973130, 10459695, 20919390]

約数ペア:

[(1, 20919390), (2, 10459695), (3, 6973130), (5, 4183878), (6, 3486565), (10, 2091939), (15, 1394626), (30, 697313), (131, 159690), (262, 79845), (393, 53230), (655, 31938), (786, 26615), (1310, 15969), (1965, 10646), (3930, 5323)]