20196990960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{516283}}^1$

素因数の和:516462

約数の個数: 80

約数和(自身を含む): 62994908544

約数和(自身を除く): 42797917584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 489, 652, 815, 978, 1304, 1630, 1956, 2445, 2608, 3260, 3912, 4890, 6520, 7824, 9780, 13040, 19560, 39120, 516283, 1032566, 1548849, 2065132, 2581415, 3097698, 4130264, 5162830, 6195396, 7744245, 8260528, 10325660, 12390792, 15488490, 20651320, 24781584, 30976980, 41302640, 61953960, 84154129, 123907920, 168308258, 252462387, 336616516, 420770645, 504924774, 673233032, 841541290, 1009849548, 1262311935, 1346466064, 1683082580, 2019699096, 2524623870, 3366165160, 4039398192, 5049247740, 6732330320, 10098495480, 20196990960]

約数ペア:

[(1, 20196990960), (2, 10098495480), (3, 6732330320), (4, 5049247740), (5, 4039398192), (6, 3366165160), (8, 2524623870), (10, 2019699096), (12, 1683082580), (15, 1346466064), (16, 1262311935), (20, 1009849548), (24, 841541290), (30, 673233032), (40, 504924774), (48, 420770645), (60, 336616516), (80, 252462387), (120, 168308258), (163, 123907920), (240, 84154129), (326, 61953960), (489, 41302640), (652, 30976980), (815, 24781584), (978, 20651320), (1304, 15488490), (1630, 12390792), (1956, 10325660), (2445, 8260528), (2608, 7744245), (3260, 6195396), (3912, 5162830), (4890, 4130264), (6520, 3097698), (7824, 2581415), (9780, 2065132), (13040, 1548849), (19560, 1032566), (39120, 516283)]