20693790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{769}}^1$

素因数の和:818

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39846690

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 30, 39, 45, 46, 65, 69, 78, 90, 115, 117, 130, 138, 195, 207, 230, 234, 299, 345, 390, 414, 585, 598, 690, 769, 897, 1035, 1170, 1495, 1538, 1794, 2070, 2307, 2691, 2990, 3845, 4485, 4614, 5382, 6921, 7690, 8970, 9997, 11535, 13455, 13842, 17687, 19994, 23070, 26910, 29991, 34605, 35374, 49985, 53061, 59982, 69210, 88435, 89973, 99970, 106122, 149955, 159183, 176870, 179946, 229931, 265305, 299910, 318366, 449865, 459862, 530610, 689793, 795915, 899730, 1149655, 1379586, 1591830, 2069379, 2299310, 3448965, 4138758, 6897930, 10346895, 20693790]

約数ペア:

[(1, 20693790), (2, 10346895), (3, 6897930), (5, 4138758), (6, 3448965), (9, 2299310), (10, 2069379), (13, 1591830), (15, 1379586), (18, 1149655), (23, 899730), (26, 795915), (30, 689793), (39, 530610), (45, 459862), (46, 449865), (65, 318366), (69, 299910), (78, 265305), (90, 229931), (115, 179946), (117, 176870), (130, 159183), (138, 149955), (195, 106122), (207, 99970), (230, 89973), (234, 88435), (299, 69210), (345, 59982), (390, 53061), (414, 49985), (585, 35374), (598, 34605), (690, 29991), (769, 26910), (897, 23070), (1035, 19994), (1170, 17687), (1495, 13842), (1538, 13455), (1794, 11535), (2070, 9997), (2307, 8970), (2691, 7690), (2990, 6921), (3845, 5382), (4485, 4614)]