20147300820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1834909}}^1$

素因数の和:1834985

約数の個数: 72

約数和(自身を含む): 62115373320

約数和(自身を除く): 41968072500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 1834909, 3669818, 5504727, 7339636, 9174545, 11009454, 16514181, 18349090, 22018908, 27523635, 33028362, 36698180, 55047270, 66056724, 82570905, 110094540, 111929449, 165141810, 223858898, 330283620, 335788347, 447717796, 559647245, 671576694, 1007365041, 1119294490, 1343153388, 1678941735, 2014730082, 2238588980, 3357883470, 4029460164, 5036825205, 6715766940, 10073650410, 20147300820]

約数ペア:

[(1, 20147300820), (2, 10073650410), (3, 6715766940), (4, 5036825205), (5, 4029460164), (6, 3357883470), (9, 2238588980), (10, 2014730082), (12, 1678941735), (15, 1343153388), (18, 1119294490), (20, 1007365041), (30, 671576694), (36, 559647245), (45, 447717796), (60, 335788347), (61, 330283620), (90, 223858898), (122, 165141810), (180, 111929449), (183, 110094540), (244, 82570905), (305, 66056724), (366, 55047270), (549, 36698180), (610, 33028362), (732, 27523635), (915, 22018908), (1098, 18349090), (1220, 16514181), (1830, 11009454), (2196, 9174545), (2745, 7339636), (3660, 5504727), (5490, 3669818), (10980, 1834909)]