20205125860

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1303}}^1\times {\mathrm{2861}}^1$

素因数の和:4444

約数の個数: 48

約数和(自身を含む): 42634916352

約数和(自身を除く): 22429790492

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1303, 1355, 2606, 2710, 2861, 5212, 5420, 5722, 6515, 11444, 13030, 14305, 26060, 28610, 57220, 353113, 706226, 775331, 1412452, 1550662, 1765565, 3101324, 3531130, 3727883, 3876655, 7062260, 7455766, 7753310, 14911532, 15506620, 18639415, 37278830, 74557660, 1010256293, 2020512586, 4041025172, 5051281465, 10102562930, 20205125860]

約数ペア:

[(1, 20205125860), (2, 10102562930), (4, 5051281465), (5, 4041025172), (10, 2020512586), (20, 1010256293), (271, 74557660), (542, 37278830), (1084, 18639415), (1303, 15506620), (1355, 14911532), (2606, 7753310), (2710, 7455766), (2861, 7062260), (5212, 3876655), (5420, 3727883), (5722, 3531130), (6515, 3101324), (11444, 1765565), (13030, 1550662), (14305, 1412452), (26060, 775331), (28610, 706226), (57220, 353113)]