20732640760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{267587}}^1$

素因数の和:267760

約数の個数: 64

約数和(自身を含む): 50574132000

約数和(自身を除く): 29841491240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2980, 3874, 5960, 7748, 9685, 15496, 19370, 38740, 77480, 267587, 535174, 1070348, 1337935, 2140696, 2675870, 3478631, 5351740, 6957262, 10703480, 13914524, 17393155, 27829048, 34786310, 39870463, 69572620, 79740926, 139145240, 159481852, 199352315, 318963704, 398704630, 518316019, 797409260, 1036632038, 1594818520, 2073264076, 2591580095, 4146528152, 5183160190, 10366320380, 20732640760]

約数ペア:

[(1, 20732640760), (2, 10366320380), (4, 5183160190), (5, 4146528152), (8, 2591580095), (10, 2073264076), (13, 1594818520), (20, 1036632038), (26, 797409260), (40, 518316019), (52, 398704630), (65, 318963704), (104, 199352315), (130, 159481852), (149, 139145240), (260, 79740926), (298, 69572620), (520, 39870463), (596, 34786310), (745, 27829048), (1192, 17393155), (1490, 13914524), (1937, 10703480), (2980, 6957262), (3874, 5351740), (5960, 3478631), (7748, 2675870), (9685, 2140696), (15496, 1337935), (19370, 1070348), (38740, 535174), (77480, 267587)]