20540010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 51020928

約数和(自身を除く): 30480918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 83, 113, 146, 166, 219, 226, 249, 339, 365, 415, 438, 498, 565, 678, 730, 830, 1095, 1130, 1245, 1695, 2190, 2490, 3390, 6059, 8249, 9379, 12118, 16498, 18177, 18758, 24747, 28137, 30295, 36354, 41245, 46895, 49494, 56274, 60590, 82490, 90885, 93790, 123735, 140685, 181770, 247470, 281370, 684667, 1369334, 2054001, 3423335, 4108002, 6846670, 10270005, 20540010]

約数ペア:

[(1, 20540010), (2, 10270005), (3, 6846670), (5, 4108002), (6, 3423335), (10, 2054001), (15, 1369334), (30, 684667), (73, 281370), (83, 247470), (113, 181770), (146, 140685), (166, 123735), (219, 93790), (226, 90885), (249, 82490), (339, 60590), (365, 56274), (415, 49494), (438, 46895), (498, 41245), (565, 36354), (678, 30295), (730, 28137), (830, 24747), (1095, 18758), (1130, 18177), (1245, 16498), (1695, 12118), (2190, 9379), (2490, 8249), (3390, 6059)]