20294040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13009}}^1$

素因数の和:13036

約数の個数: 64

約数和(自身を含む): 65570400

約数和(自身を除く): 45276360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 13009, 26018, 39027, 52036, 65045, 78054, 104072, 130090, 156108, 169117, 195135, 260180, 312216, 338234, 390270, 507351, 520360, 676468, 780540, 845585, 1014702, 1352936, 1561080, 1691170, 2029404, 2536755, 3382340, 4058808, 5073510, 6764680, 10147020, 20294040]

約数ペア:

[(1, 20294040), (2, 10147020), (3, 6764680), (4, 5073510), (5, 4058808), (6, 3382340), (8, 2536755), (10, 2029404), (12, 1691170), (13, 1561080), (15, 1352936), (20, 1014702), (24, 845585), (26, 780540), (30, 676468), (39, 520360), (40, 507351), (52, 390270), (60, 338234), (65, 312216), (78, 260180), (104, 195135), (120, 169117), (130, 156108), (156, 130090), (195, 104072), (260, 78054), (312, 65045), (390, 52036), (520, 39027), (780, 26018), (1560, 13009)]