20665902

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 43029504

約数和(自身を除く): 22363602

約数列:

[1, 2, 3, 6, 31, 62, 93, 137, 186, 274, 411, 811, 822, 1622, 2433, 4247, 4866, 8494, 12741, 25141, 25482, 50282, 75423, 111107, 150846, 222214, 333321, 666642, 3444317, 6888634, 10332951, 20665902]

約数ペア:

[(1, 20665902), (2, 10332951), (3, 6888634), (6, 3444317), (31, 666642), (62, 333321), (93, 222214), (137, 150846), (186, 111107), (274, 75423), (411, 50282), (811, 25482), (822, 25141), (1622, 12741), (2433, 8494), (4247, 4866)]