20871036120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15811391}}^1$

素因数の和:15811416

約数の個数: 64

約数和(自身を含む): 68305213440

約数和(自身を除く): 47434177320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15811391, 31622782, 47434173, 63245564, 79056955, 94868346, 126491128, 158113910, 173925301, 189736692, 237170865, 316227820, 347850602, 379473384, 474341730, 521775903, 632455640, 695701204, 869626505, 948683460, 1043551806, 1391402408, 1739253010, 1897366920, 2087103612, 2608879515, 3478506020, 4174207224, 5217759030, 6957012040, 10435518060, 20871036120]

約数ペア:

[(1, 20871036120), (2, 10435518060), (3, 6957012040), (4, 5217759030), (5, 4174207224), (6, 3478506020), (8, 2608879515), (10, 2087103612), (11, 1897366920), (12, 1739253010), (15, 1391402408), (20, 1043551806), (22, 948683460), (24, 869626505), (30, 695701204), (33, 632455640), (40, 521775903), (44, 474341730), (55, 379473384), (60, 347850602), (66, 316227820), (88, 237170865), (110, 189736692), (120, 173925301), (132, 158113910), (165, 126491128), (220, 94868346), (264, 79056955), (330, 63245564), (440, 47434173), (660, 31622782), (1320, 15811391)]