20168088460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4082609}}^1$

素因数の和:4082650

約数の個数: 48

約数和(自身を含む): 48011493600

約数和(自身を除く): 27843405140

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 4082609, 8165218, 16330436, 20413045, 40826090, 53073917, 77569571, 81652180, 106147834, 155139142, 212295668, 265369585, 310278284, 387847855, 530739170, 775695710, 1008404423, 1061478340, 1551391420, 2016808846, 4033617692, 5042022115, 10084044230, 20168088460]

約数ペア:

[(1, 20168088460), (2, 10084044230), (4, 5042022115), (5, 4033617692), (10, 2016808846), (13, 1551391420), (19, 1061478340), (20, 1008404423), (26, 775695710), (38, 530739170), (52, 387847855), (65, 310278284), (76, 265369585), (95, 212295668), (130, 155139142), (190, 106147834), (247, 81652180), (260, 77569571), (380, 53073917), (494, 40826090), (988, 20413045), (1235, 16330436), (2470, 8165218), (4940, 4082609)]