20043240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 49629720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 107, 120, 140, 168, 210, 214, 223, 280, 321, 420, 428, 446, 535, 642, 669, 749, 840, 856, 892, 1070, 1115, 1284, 1338, 1498, 1561, 1605, 1784, 2140, 2230, 2247, 2568, 2676, 2996, 3122, 3210, 3345, 3745, 4280, 4460, 4494, 4683, 5352, 5992, 6244, 6420, 6690, 7490, 7805, 8920, 8988, 9366, 11235, 12488, 12840, 13380, 14980, 15610, 17976, 18732, 22470, 23415, 23861, 26760, 29960, 31220, 37464, 44940, 46830, 47722, 62440, 71583, 89880, 93660, 95444, 119305, 143166, 167027, 187320, 190888, 238610, 286332, 334054, 357915, 477220, 501081, 572664, 668108, 715830, 835135, 954440, 1002162, 1336216, 1431660, 1670270, 2004324, 2505405, 2863320, 3340540, 4008648, 5010810, 6681080, 10021620, 20043240]

約数ペア:

[(1, 20043240), (2, 10021620), (3, 6681080), (4, 5010810), (5, 4008648), (6, 3340540), (7, 2863320), (8, 2505405), (10, 2004324), (12, 1670270), (14, 1431660), (15, 1336216), (20, 1002162), (21, 954440), (24, 835135), (28, 715830), (30, 668108), (35, 572664), (40, 501081), (42, 477220), (56, 357915), (60, 334054), (70, 286332), (84, 238610), (105, 190888), (107, 187320), (120, 167027), (140, 143166), (168, 119305), (210, 95444), (214, 93660), (223, 89880), (280, 71583), (321, 62440), (420, 47722), (428, 46830), (446, 44940), (535, 37464), (642, 31220), (669, 29960), (749, 26760), (840, 23861), (856, 23415), (892, 22470), (1070, 18732), (1115, 17976), (1284, 15610), (1338, 14980), (1498, 13380), (1561, 12840), (1605, 12488), (1784, 11235), (2140, 9366), (2230, 8988), (2247, 8920), (2568, 7805), (2676, 7490), (2996, 6690), (3122, 6420), (3210, 6244), (3345, 5992), (3745, 5352), (4280, 4683), (4460, 4494)]