20383342040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1499}}^1\times {\mathrm{19997}}^1$

素因数の和:21524

約数の個数: 64

約数和(自身を含む): 48595140000

約数和(自身を除く): 28211797960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1499, 2998, 5996, 7495, 11992, 14990, 19997, 25483, 29980, 39994, 50966, 59960, 79988, 99985, 101932, 127415, 159976, 199970, 203864, 254830, 339949, 399940, 509660, 679898, 799880, 1019320, 1359796, 1699745, 2719592, 3399490, 6798980, 13597960, 29975503, 59951006, 119902012, 149877515, 239804024, 299755030, 509583551, 599510060, 1019167102, 1199020120, 2038334204, 2547917755, 4076668408, 5095835510, 10191671020, 20383342040]

約数ペア:

[(1, 20383342040), (2, 10191671020), (4, 5095835510), (5, 4076668408), (8, 2547917755), (10, 2038334204), (17, 1199020120), (20, 1019167102), (34, 599510060), (40, 509583551), (68, 299755030), (85, 239804024), (136, 149877515), (170, 119902012), (340, 59951006), (680, 29975503), (1499, 13597960), (2998, 6798980), (5996, 3399490), (7495, 2719592), (11992, 1699745), (14990, 1359796), (19997, 1019320), (25483, 799880), (29980, 679898), (39994, 509660), (50966, 399940), (59960, 339949), (79988, 254830), (99985, 203864), (101932, 199970), (127415, 159976)]