20628330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 52448256

約数和(自身を除く): 31819926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 541, 615, 930, 1082, 1230, 1271, 1623, 2542, 2705, 3246, 3813, 5410, 6355, 7626, 8115, 12710, 16230, 16771, 19065, 22181, 33542, 38130, 44362, 50313, 66543, 83855, 100626, 110905, 133086, 167710, 221810, 251565, 332715, 503130, 665430, 687611, 1375222, 2062833, 3438055, 4125666, 6876110, 10314165, 20628330]

約数ペア:

[(1, 20628330), (2, 10314165), (3, 6876110), (5, 4125666), (6, 3438055), (10, 2062833), (15, 1375222), (30, 687611), (31, 665430), (41, 503130), (62, 332715), (82, 251565), (93, 221810), (123, 167710), (155, 133086), (186, 110905), (205, 100626), (246, 83855), (310, 66543), (410, 50313), (465, 44362), (541, 38130), (615, 33542), (930, 22181), (1082, 19065), (1230, 16771), (1271, 16230), (1623, 12710), (2542, 8115), (2705, 7626), (3246, 6355), (3813, 5410)]