20138087750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{13007}}^1$

素因数の和:13598

約数の個数: 64

約数和(自身を含む): 41201851392

約数和(自身を除く): 21063763642

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 563, 1126, 1375, 2750, 2815, 5630, 6193, 12386, 13007, 14075, 26014, 28150, 30965, 61930, 65035, 70375, 130070, 140750, 143077, 154825, 286154, 309650, 325175, 650350, 715385, 774125, 1430770, 1548250, 1625875, 3251750, 3576925, 7153850, 7322941, 14645882, 17884625, 35769250, 36614705, 73229410, 80552351, 161104702, 183073525, 366147050, 402761755, 805523510, 915367625, 1830735250, 2013808775, 4027617550, 10069043875, 20138087750]

約数ペア:

[(1, 20138087750), (2, 10069043875), (5, 4027617550), (10, 2013808775), (11, 1830735250), (22, 915367625), (25, 805523510), (50, 402761755), (55, 366147050), (110, 183073525), (125, 161104702), (250, 80552351), (275, 73229410), (550, 36614705), (563, 35769250), (1126, 17884625), (1375, 14645882), (2750, 7322941), (2815, 7153850), (5630, 3576925), (6193, 3251750), (12386, 1625875), (13007, 1548250), (14075, 1430770), (26014, 774125), (28150, 715385), (30965, 650350), (61930, 325175), (65035, 309650), (70375, 286154), (130070, 154825), (140750, 143077)]