20757030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1019}}^1$

素因数の和:1133

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 36819930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1019, 1358, 1455, 2037, 2038, 2910, 3057, 3395, 4074, 5095, 6114, 6790, 7133, 10185, 10190, 14266, 15285, 20370, 21399, 30570, 35665, 42798, 71330, 98843, 106995, 197686, 213990, 296529, 494215, 593058, 691901, 988430, 1383802, 1482645, 2075703, 2965290, 3459505, 4151406, 6919010, 10378515, 20757030]

約数ペア:

[(1, 20757030), (2, 10378515), (3, 6919010), (5, 4151406), (6, 3459505), (7, 2965290), (10, 2075703), (14, 1482645), (15, 1383802), (21, 988430), (30, 691901), (35, 593058), (42, 494215), (70, 296529), (97, 213990), (105, 197686), (194, 106995), (210, 98843), (291, 71330), (485, 42798), (582, 35665), (679, 30570), (970, 21399), (1019, 20370), (1358, 15285), (1455, 14266), (2037, 10190), (2038, 10185), (2910, 7133), (3057, 6790), (3395, 6114), (4074, 5095)]