20571192

素因数分解:

$2^3\times 3^3\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 37086408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 131, 216, 262, 393, 524, 727, 786, 1048, 1179, 1454, 1572, 2181, 2358, 2908, 3144, 3537, 4362, 4716, 5816, 6543, 7074, 8724, 9432, 13086, 14148, 17448, 19629, 26172, 28296, 39258, 52344, 78516, 95237, 157032, 190474, 285711, 380948, 571422, 761896, 857133, 1142844, 1714266, 2285688, 2571399, 3428532, 5142798, 6857064, 10285596, 20571192]

約数ペア:

[(1, 20571192), (2, 10285596), (3, 6857064), (4, 5142798), (6, 3428532), (8, 2571399), (9, 2285688), (12, 1714266), (18, 1142844), (24, 857133), (27, 761896), (36, 571422), (54, 380948), (72, 285711), (108, 190474), (131, 157032), (216, 95237), (262, 78516), (393, 52344), (524, 39258), (727, 28296), (786, 26172), (1048, 19629), (1179, 17448), (1454, 14148), (1572, 13086), (2181, 9432), (2358, 8724), (2908, 7074), (3144, 6543), (3537, 5816), (4362, 4716)]