20123013534

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{59}}^2\times {\mathrm{5701}}^1$

素因数の和:5850

約数の個数: 72

約数和(自身を含む): 44338957272

約数和(自身を除く): 24215943738

約数列:

[1, 2, 3, 6, 13, 26, 39, 59, 78, 118, 169, 177, 338, 354, 507, 767, 1014, 1534, 2301, 3481, 4602, 5701, 6962, 9971, 10443, 11402, 17103, 19942, 20886, 29913, 34206, 45253, 59826, 74113, 90506, 135759, 148226, 222339, 271518, 336359, 444678, 588289, 672718, 963469, 1009077, 1176578, 1764867, 1926938, 2018154, 2890407, 3529734, 4372667, 5780814, 8745334, 13118001, 19845181, 26236002, 39690362, 56844671, 59535543, 113689342, 119071086, 170534013, 257987353, 341068026, 515974706, 773962059, 1547924118, 3353835589, 6707671178, 10061506767, 20123013534]

約数ペア:

[(1, 20123013534), (2, 10061506767), (3, 6707671178), (6, 3353835589), (13, 1547924118), (26, 773962059), (39, 515974706), (59, 341068026), (78, 257987353), (118, 170534013), (169, 119071086), (177, 113689342), (338, 59535543), (354, 56844671), (507, 39690362), (767, 26236002), (1014, 19845181), (1534, 13118001), (2301, 8745334), (3481, 5780814), (4602, 4372667), (5701, 3529734), (6962, 2890407), (9971, 2018154), (10443, 1926938), (11402, 1764867), (17103, 1176578), (19942, 1009077), (20886, 963469), (29913, 672718), (34206, 588289), (45253, 444678), (59826, 336359), (74113, 271518), (90506, 222339), (135759, 148226)]