20023980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3119}}^1$

素因数の和:3238

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 36585300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3119, 3210, 6238, 6420, 9357, 12476, 15595, 18714, 31190, 37428, 46785, 62380, 93570, 187140, 333733, 667466, 1001199, 1334932, 1668665, 2002398, 3337330, 4004796, 5005995, 6674660, 10011990, 20023980]

約数ペア:

[(1, 20023980), (2, 10011990), (3, 6674660), (4, 5005995), (5, 4004796), (6, 3337330), (10, 2002398), (12, 1668665), (15, 1334932), (20, 1001199), (30, 667466), (60, 333733), (107, 187140), (214, 93570), (321, 62380), (428, 46785), (535, 37428), (642, 31190), (1070, 18714), (1284, 15595), (1605, 12476), (2140, 9357), (3119, 6420), (3210, 6238)]