20792330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 21882358

約数列:

[1, 2, 5, 10, 13, 26, 41, 47, 65, 82, 83, 94, 130, 166, 205, 235, 410, 415, 470, 533, 611, 830, 1066, 1079, 1222, 1927, 2158, 2665, 3055, 3403, 3854, 3901, 5330, 5395, 6110, 6806, 7802, 9635, 10790, 17015, 19270, 19505, 25051, 34030, 39010, 44239, 50102, 50713, 88478, 101426, 125255, 159941, 221195, 250510, 253565, 319882, 442390, 507130, 799705, 1599410, 2079233, 4158466, 10396165, 20792330]

約数ペア:

[(1, 20792330), (2, 10396165), (5, 4158466), (10, 2079233), (13, 1599410), (26, 799705), (41, 507130), (47, 442390), (65, 319882), (82, 253565), (83, 250510), (94, 221195), (130, 159941), (166, 125255), (205, 101426), (235, 88478), (410, 50713), (415, 50102), (470, 44239), (533, 39010), (611, 34030), (830, 25051), (1066, 19505), (1079, 19270), (1222, 17015), (1927, 10790), (2158, 9635), (2665, 7802), (3055, 6806), (3403, 6110), (3854, 5395), (3901, 5330)]