20315106

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:796

約数の個数: 72

約数和(自身を含む): 52925184

約数和(自身を除く): 32610078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 743, 882, 1302, 1486, 1519, 1953, 2229, 3038, 3906, 4458, 4557, 5201, 6687, 9114, 10402, 13374, 13671, 15603, 23033, 27342, 31206, 36407, 46066, 46809, 69099, 72814, 93618, 109221, 138198, 161231, 207297, 218442, 322462, 327663, 414594, 483693, 655326, 967386, 1128617, 1451079, 2257234, 2902158, 3385851, 6771702, 10157553, 20315106]

約数ペア:

[(1, 20315106), (2, 10157553), (3, 6771702), (6, 3385851), (7, 2902158), (9, 2257234), (14, 1451079), (18, 1128617), (21, 967386), (31, 655326), (42, 483693), (49, 414594), (62, 327663), (63, 322462), (93, 218442), (98, 207297), (126, 161231), (147, 138198), (186, 109221), (217, 93618), (279, 72814), (294, 69099), (434, 46809), (441, 46066), (558, 36407), (651, 31206), (743, 27342), (882, 23033), (1302, 15603), (1486, 13671), (1519, 13374), (1953, 10402), (2229, 9114), (3038, 6687), (3906, 5201), (4458, 4557)]