20378203152

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{720791}}^1$

素因数の和:720852

約数の個数: 80

約数和(自身を含む): 57202053120

約数和(自身を除く): 36823849968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 744, 912, 1178, 1488, 1767, 2356, 3534, 4712, 7068, 9424, 14136, 28272, 720791, 1441582, 2162373, 2883164, 4324746, 5766328, 8649492, 11532656, 13695029, 17298984, 22344521, 27390058, 34597968, 41085087, 44689042, 54780116, 67033563, 82170174, 89378084, 109560232, 134067126, 164340348, 178756168, 219120464, 268134252, 328680696, 357512336, 424545899, 536268504, 657361392, 849091798, 1072537008, 1273637697, 1698183596, 2547275394, 3396367192, 5094550788, 6792734384, 10189101576, 20378203152]

約数ペア:

[(1, 20378203152), (2, 10189101576), (3, 6792734384), (4, 5094550788), (6, 3396367192), (8, 2547275394), (12, 1698183596), (16, 1273637697), (19, 1072537008), (24, 849091798), (31, 657361392), (38, 536268504), (48, 424545899), (57, 357512336), (62, 328680696), (76, 268134252), (93, 219120464), (114, 178756168), (124, 164340348), (152, 134067126), (186, 109560232), (228, 89378084), (248, 82170174), (304, 67033563), (372, 54780116), (456, 44689042), (496, 41085087), (589, 34597968), (744, 27390058), (912, 22344521), (1178, 17298984), (1488, 13695029), (1767, 11532656), (2356, 8649492), (3534, 5766328), (4712, 4324746), (7068, 2883164), (9424, 2162373), (14136, 1441582), (28272, 720791)]