20158476468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{943219}}^1$

素因数の和:943376

約数の個数: 48

約数和(自身を含む): 51024429120

約数和(自身を除く): 30865952652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 1644, 1781, 3562, 5343, 7124, 10686, 21372, 943219, 1886438, 2829657, 3772876, 5659314, 11318628, 12261847, 24523694, 36785541, 49047388, 73571082, 129221003, 147142164, 258442006, 387663009, 516884012, 775326018, 1550652036, 1679873039, 3359746078, 5039619117, 6719492156, 10079238234, 20158476468]

約数ペア:

[(1, 20158476468), (2, 10079238234), (3, 6719492156), (4, 5039619117), (6, 3359746078), (12, 1679873039), (13, 1550652036), (26, 775326018), (39, 516884012), (52, 387663009), (78, 258442006), (137, 147142164), (156, 129221003), (274, 73571082), (411, 49047388), (548, 36785541), (822, 24523694), (1644, 12261847), (1781, 11318628), (3562, 5659314), (5343, 3772876), (7124, 2829657), (10686, 1886438), (21372, 943219)]