20252040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 61637760

約数和(自身を除く): 41385720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2377, 2840, 4260, 4754, 7131, 8520, 9508, 11885, 14262, 19016, 23770, 28524, 35655, 47540, 57048, 71310, 95080, 142620, 168767, 285240, 337534, 506301, 675068, 843835, 1012602, 1350136, 1687670, 2025204, 2531505, 3375340, 4050408, 5063010, 6750680, 10126020, 20252040]

約数ペア:

[(1, 20252040), (2, 10126020), (3, 6750680), (4, 5063010), (5, 4050408), (6, 3375340), (8, 2531505), (10, 2025204), (12, 1687670), (15, 1350136), (20, 1012602), (24, 843835), (30, 675068), (40, 506301), (60, 337534), (71, 285240), (120, 168767), (142, 142620), (213, 95080), (284, 71310), (355, 57048), (426, 47540), (568, 35655), (710, 28524), (852, 23770), (1065, 19016), (1420, 14262), (1704, 11885), (2130, 9508), (2377, 8520), (2840, 7131), (4260, 4754)]