19930820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 32904508

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 91, 94, 130, 140, 182, 188, 233, 235, 260, 329, 364, 455, 466, 470, 611, 658, 910, 932, 940, 1165, 1222, 1316, 1631, 1645, 1820, 2330, 2444, 3029, 3055, 3262, 3290, 4277, 4660, 6058, 6110, 6524, 6580, 8155, 8554, 10951, 12116, 12220, 15145, 16310, 17108, 21203, 21385, 21902, 30290, 32620, 42406, 42770, 43804, 54755, 60580, 76657, 84812, 85540, 106015, 109510, 142363, 153314, 212030, 219020, 284726, 306628, 383285, 424060, 569452, 711815, 766570, 996541, 1423630, 1533140, 1993082, 2847260, 3986164, 4982705, 9965410, 19930820]

約数ペア:

[(1, 19930820), (2, 9965410), (4, 4982705), (5, 3986164), (7, 2847260), (10, 1993082), (13, 1533140), (14, 1423630), (20, 996541), (26, 766570), (28, 711815), (35, 569452), (47, 424060), (52, 383285), (65, 306628), (70, 284726), (91, 219020), (94, 212030), (130, 153314), (140, 142363), (182, 109510), (188, 106015), (233, 85540), (235, 84812), (260, 76657), (329, 60580), (364, 54755), (455, 43804), (466, 42770), (470, 42406), (611, 32620), (658, 30290), (910, 21902), (932, 21385), (940, 21203), (1165, 17108), (1222, 16310), (1316, 15145), (1631, 12220), (1645, 12116), (1820, 10951), (2330, 8554), (2444, 8155), (3029, 6580), (3055, 6524), (3262, 6110), (3290, 6058), (4277, 4660)]