20318335284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{78889}}^1$

素因数の和:79049

約数の個数: 72

約数和(自身を含む): 51741742080

約数和(自身を除く): 31423406796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 169, 254, 338, 381, 507, 508, 676, 762, 1014, 1524, 1651, 2028, 3302, 4953, 6604, 9906, 19812, 21463, 42926, 64389, 78889, 85852, 128778, 157778, 236667, 257556, 315556, 473334, 946668, 1025557, 2051114, 3076671, 4102228, 6153342, 10018903, 12306684, 13332241, 20037806, 26664482, 30056709, 39996723, 40075612, 53328964, 60113418, 79993446, 120226836, 130245739, 159986892, 260491478, 390737217, 520982956, 781474434, 1562948868, 1693194607, 3386389214, 5079583821, 6772778428, 10159167642, 20318335284]

約数ペア:

[(1, 20318335284), (2, 10159167642), (3, 6772778428), (4, 5079583821), (6, 3386389214), (12, 1693194607), (13, 1562948868), (26, 781474434), (39, 520982956), (52, 390737217), (78, 260491478), (127, 159986892), (156, 130245739), (169, 120226836), (254, 79993446), (338, 60113418), (381, 53328964), (507, 40075612), (508, 39996723), (676, 30056709), (762, 26664482), (1014, 20037806), (1524, 13332241), (1651, 12306684), (2028, 10018903), (3302, 6153342), (4953, 4102228), (6604, 3076671), (9906, 2051114), (19812, 1025557), (21463, 946668), (42926, 473334), (64389, 315556), (78889, 257556), (85852, 236667), (128778, 157778)]