20087970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4159}}^1$

素因数の和:4199

約数の個数: 64

約数和(自身を含む): 57507840

約数和(自身を除く): 37419870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4159, 4830, 8318, 12477, 20795, 24954, 29113, 41590, 58226, 62385, 87339, 95657, 124770, 145565, 174678, 191314, 286971, 291130, 436695, 478285, 573942, 669599, 873390, 956570, 1339198, 1434855, 2008797, 2869710, 3347995, 4017594, 6695990, 10043985, 20087970]

約数ペア:

[(1, 20087970), (2, 10043985), (3, 6695990), (5, 4017594), (6, 3347995), (7, 2869710), (10, 2008797), (14, 1434855), (15, 1339198), (21, 956570), (23, 873390), (30, 669599), (35, 573942), (42, 478285), (46, 436695), (69, 291130), (70, 286971), (105, 191314), (115, 174678), (138, 145565), (161, 124770), (210, 95657), (230, 87339), (322, 62385), (345, 58226), (483, 41590), (690, 29113), (805, 24954), (966, 20795), (1610, 12477), (2415, 8318), (4159, 4830)]