20009571116

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{17519}}^1$

素因数の和:17766

約数の個数: 48

約数和(自身を含む): 36984299520

約数和(自身を除く): 16974728404

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 151, 244, 302, 604, 1891, 3782, 4681, 7564, 9211, 9362, 17519, 18422, 18724, 35038, 36844, 70076, 285541, 543089, 571082, 1068659, 1086178, 1142164, 2137318, 2172356, 2645369, 4274636, 5290738, 10581476, 33128429, 66256858, 82006439, 132513716, 161367509, 164012878, 322735018, 328025756, 645470036, 5002392779, 10004785558, 20009571116]

約数ペア:

[(1, 20009571116), (2, 10004785558), (4, 5002392779), (31, 645470036), (61, 328025756), (62, 322735018), (122, 164012878), (124, 161367509), (151, 132513716), (244, 82006439), (302, 66256858), (604, 33128429), (1891, 10581476), (3782, 5290738), (4681, 4274636), (7564, 2645369), (9211, 2172356), (9362, 2137318), (17519, 1142164), (18422, 1086178), (18724, 1068659), (35038, 571082), (36844, 543089), (70076, 285541)]