20643510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30678090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 107, 109, 118, 177, 214, 218, 295, 321, 327, 354, 535, 545, 590, 642, 654, 885, 1070, 1090, 1605, 1635, 1770, 3210, 3270, 6313, 6431, 11663, 12626, 12862, 18939, 19293, 23326, 31565, 32155, 34989, 37878, 38586, 58315, 63130, 64310, 69978, 94695, 96465, 116630, 174945, 189390, 192930, 349890, 688117, 1376234, 2064351, 3440585, 4128702, 6881170, 10321755, 20643510]

約数ペア:

[(1, 20643510), (2, 10321755), (3, 6881170), (5, 4128702), (6, 3440585), (10, 2064351), (15, 1376234), (30, 688117), (59, 349890), (107, 192930), (109, 189390), (118, 174945), (177, 116630), (214, 96465), (218, 94695), (295, 69978), (321, 64310), (327, 63130), (354, 58315), (535, 38586), (545, 37878), (590, 34989), (642, 32155), (654, 31565), (885, 23326), (1070, 19293), (1090, 18939), (1605, 12862), (1635, 12626), (1770, 11663), (3210, 6431), (3270, 6313)]