20393730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32371}}^1$

素因数の和:32391

約数の個数: 48

約数和(自身を含む): 60600384

約数和(自身を除く): 40206654

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32371, 64742, 97113, 161855, 194226, 226597, 291339, 323710, 453194, 485565, 582678, 679791, 971130, 1132985, 1359582, 1456695, 2039373, 2265970, 2913390, 3398955, 4078746, 6797910, 10196865, 20393730]

約数ペア:

[(1, 20393730), (2, 10196865), (3, 6797910), (5, 4078746), (6, 3398955), (7, 2913390), (9, 2265970), (10, 2039373), (14, 1456695), (15, 1359582), (18, 1132985), (21, 971130), (30, 679791), (35, 582678), (42, 485565), (45, 453194), (63, 323710), (70, 291339), (90, 226597), (105, 194226), (126, 161855), (210, 97113), (315, 64742), (630, 32371)]