201920654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 335766816

約数和(自身を除く): 133846162

約数列:

[1, 2, 13, 26, 41, 82, 307, 533, 614, 617, 1066, 1234, 3991, 7982, 8021, 12587, 16042, 25174, 25297, 50594, 163631, 189419, 327262, 328861, 378838, 657722, 2462447, 4924894, 7766179, 15532358, 100960327, 201920654]

約数ペア:

[(1, 201920654), (2, 100960327), (13, 15532358), (26, 7766179), (41, 4924894), (82, 2462447), (307, 657722), (533, 378838), (614, 328861), (617, 327262), (1066, 189419), (1234, 163631), (3991, 50594), (7982, 25297), (8021, 25174), (12587, 16042)]