20005978398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1\times {\mathrm{1831}}^1$

素因数の和:3657

約数の個数: 64

約数和(自身を含む): 46072132608

約数和(自身を除く): 26066154210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 1657, 1831, 2198, 3297, 3314, 3662, 4971, 5493, 6594, 9942, 10986, 11599, 12817, 23198, 25634, 34797, 38451, 69594, 76902, 260149, 287467, 520298, 574934, 780447, 862401, 1560894, 1724802, 1821043, 2012269, 3033967, 3642086, 4024538, 5463129, 6036807, 6067934, 9101901, 10926258, 12073614, 18203802, 21237769, 42475538, 63713307, 127426614, 476332819, 952665638, 1428998457, 2857996914, 3334329733, 6668659466, 10002989199, 20005978398]

約数ペア:

[(1, 20005978398), (2, 10002989199), (3, 6668659466), (6, 3334329733), (7, 2857996914), (14, 1428998457), (21, 952665638), (42, 476332819), (157, 127426614), (314, 63713307), (471, 42475538), (942, 21237769), (1099, 18203802), (1657, 12073614), (1831, 10926258), (2198, 9101901), (3297, 6067934), (3314, 6036807), (3662, 5463129), (4971, 4024538), (5493, 3642086), (6594, 3033967), (9942, 2012269), (10986, 1821043), (11599, 1724802), (12817, 1560894), (23198, 862401), (25634, 780447), (34797, 574934), (38451, 520298), (69594, 287467), (76902, 260149)]