20107777512

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2087}}^1\times {\mathrm{2557}}^1$

素因数の和:4810

約数の個数: 64

約数和(自身を含む): 50633665920

約数和(自身を除く): 30525888408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 2087, 2557, 3768, 4174, 5114, 6261, 7671, 8348, 10228, 12522, 15342, 16696, 20456, 25044, 30684, 50088, 61368, 327659, 401449, 655318, 802898, 982977, 1204347, 1310636, 1605796, 1965954, 2408694, 2621272, 3211592, 3931908, 4817388, 5336459, 7863816, 9634776, 10672918, 16009377, 21345836, 32018754, 42691672, 64037508, 128075016, 837824063, 1675648126, 2513472189, 3351296252, 5026944378, 6702592504, 10053888756, 20107777512]

約数ペア:

[(1, 20107777512), (2, 10053888756), (3, 6702592504), (4, 5026944378), (6, 3351296252), (8, 2513472189), (12, 1675648126), (24, 837824063), (157, 128075016), (314, 64037508), (471, 42691672), (628, 32018754), (942, 21345836), (1256, 16009377), (1884, 10672918), (2087, 9634776), (2557, 7863816), (3768, 5336459), (4174, 4817388), (5114, 3931908), (6261, 3211592), (7671, 2621272), (8348, 2408694), (10228, 1965954), (12522, 1605796), (15342, 1310636), (16696, 1204347), (20456, 982977), (25044, 802898), (30684, 655318), (50088, 401449), (61368, 327659)]