20408065890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{347}}^1\times {\mathrm{67601}}^1$

素因数の和:67987

約数の個数: 64

約数和(自身を含む): 50815071360

約数和(自身を除く): 30407005470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 347, 435, 694, 870, 1041, 1735, 2082, 3470, 5205, 10063, 10410, 20126, 30189, 50315, 60378, 67601, 100630, 135202, 150945, 202803, 301890, 338005, 405606, 676010, 1014015, 1960429, 2028030, 3920858, 5881287, 9802145, 11762574, 19604290, 23457547, 29406435, 46915094, 58812870, 70372641, 117287735, 140745282, 234575470, 351863205, 680268863, 703726410, 1360537726, 2040806589, 3401344315, 4081613178, 6802688630, 10204032945, 20408065890]

約数ペア:

[(1, 20408065890), (2, 10204032945), (3, 6802688630), (5, 4081613178), (6, 3401344315), (10, 2040806589), (15, 1360537726), (29, 703726410), (30, 680268863), (58, 351863205), (87, 234575470), (145, 140745282), (174, 117287735), (290, 70372641), (347, 58812870), (435, 46915094), (694, 29406435), (870, 23457547), (1041, 19604290), (1735, 11762574), (2082, 9802145), (3470, 5881287), (5205, 3920858), (10063, 2028030), (10410, 1960429), (20126, 1014015), (30189, 676010), (50315, 405606), (60378, 338005), (67601, 301890), (100630, 202803), (135202, 150945)]