20168020936

素因数分解:

$2^3\times 7^2\times {\mathrm{3221}}^1\times {\mathrm{15973}}^1$

素因数の和:19214

約数の個数: 48

約数和(自身を含む): 44005334940

約数和(自身を除く): 23837314004

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 3221, 6442, 12884, 15973, 22547, 25768, 31946, 45094, 63892, 90188, 111811, 127784, 157829, 180376, 223622, 315658, 447244, 631316, 782677, 894488, 1262632, 1565354, 3130708, 6261416, 51449033, 102898066, 205796132, 360143231, 411592264, 720286462, 1440572924, 2521002617, 2881145848, 5042005234, 10084010468, 20168020936]

約数ペア:

[(1, 20168020936), (2, 10084010468), (4, 5042005234), (7, 2881145848), (8, 2521002617), (14, 1440572924), (28, 720286462), (49, 411592264), (56, 360143231), (98, 205796132), (196, 102898066), (392, 51449033), (3221, 6261416), (6442, 3130708), (12884, 1565354), (15973, 1262632), (22547, 894488), (25768, 782677), (31946, 631316), (45094, 447244), (63892, 315658), (90188, 223622), (111811, 180376), (127784, 157829)]