20125084060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{364717}}^1$

素因数の和:364846

約数の個数: 48

約数和(自身を含む): 44116289280

約数和(自身を除く): 23991205220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 11036, 13795, 27590, 55180, 364717, 729434, 1458868, 1823585, 3647170, 7294340, 11306227, 22612454, 32459813, 45224908, 56531135, 64919626, 113062270, 129839252, 162299065, 226124540, 324598130, 649196260, 1006254203, 2012508406, 4025016812, 5031271015, 10062542030, 20125084060]

約数ペア:

[(1, 20125084060), (2, 10062542030), (4, 5031271015), (5, 4025016812), (10, 2012508406), (20, 1006254203), (31, 649196260), (62, 324598130), (89, 226124540), (124, 162299065), (155, 129839252), (178, 113062270), (310, 64919626), (356, 56531135), (445, 45224908), (620, 32459813), (890, 22612454), (1780, 11306227), (2759, 7294340), (5518, 3647170), (11036, 1823585), (13795, 1458868), (27590, 729434), (55180, 364717)]