20121199668

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1373}}^1\times {\mathrm{9467}}^1$

素因数の和:10893

約数の個数: 72

約数和(自身を含む): 52088164128

約数和(自身を除く): 31966964460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1373, 1548, 2746, 4119, 5492, 8238, 9467, 12357, 16476, 18934, 24714, 28401, 37868, 49428, 56802, 59039, 85203, 113604, 118078, 170406, 177117, 236156, 340812, 354234, 407081, 531351, 708468, 814162, 1062702, 1221243, 1628324, 2125404, 2442486, 3663729, 4884972, 7327458, 12998191, 14654916, 25996382, 38994573, 51992764, 77989146, 116983719, 155978292, 233967438, 467934876, 558922213, 1117844426, 1676766639, 2235688852, 3353533278, 5030299917, 6707066556, 10060599834, 20121199668]

約数ペア:

[(1, 20121199668), (2, 10060599834), (3, 6707066556), (4, 5030299917), (6, 3353533278), (9, 2235688852), (12, 1676766639), (18, 1117844426), (36, 558922213), (43, 467934876), (86, 233967438), (129, 155978292), (172, 116983719), (258, 77989146), (387, 51992764), (516, 38994573), (774, 25996382), (1373, 14654916), (1548, 12998191), (2746, 7327458), (4119, 4884972), (5492, 3663729), (8238, 2442486), (9467, 2125404), (12357, 1628324), (16476, 1221243), (18934, 1062702), (24714, 814162), (28401, 708468), (37868, 531351), (49428, 407081), (56802, 354234), (59039, 340812), (85203, 236156), (113604, 177117), (118078, 170406)]