20602019960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{112481}}^1$

素因数の和:112752

約数の個数: 64

約数和(自身を含む): 48997159200

約数和(自身を除く): 28395139240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 241, 380, 482, 760, 964, 1205, 1928, 2410, 4579, 4820, 9158, 9640, 18316, 22895, 36632, 45790, 91580, 112481, 183160, 224962, 449924, 562405, 899848, 1124810, 2137139, 2249620, 4274278, 4499240, 8548556, 10685695, 17097112, 21371390, 27107921, 42742780, 54215842, 85485560, 108431684, 135539605, 216863368, 271079210, 515050499, 542158420, 1030100998, 1084316840, 2060201996, 2575252495, 4120403992, 5150504990, 10301009980, 20602019960]

約数ペア:

[(1, 20602019960), (2, 10301009980), (4, 5150504990), (5, 4120403992), (8, 2575252495), (10, 2060201996), (19, 1084316840), (20, 1030100998), (38, 542158420), (40, 515050499), (76, 271079210), (95, 216863368), (152, 135539605), (190, 108431684), (241, 85485560), (380, 54215842), (482, 42742780), (760, 27107921), (964, 21371390), (1205, 17097112), (1928, 10685695), (2410, 8548556), (4579, 4499240), (4820, 4274278), (9158, 2249620), (9640, 2137139), (18316, 1124810), (22895, 899848), (36632, 562405), (45790, 449924), (91580, 224962), (112481, 183160)]