20120497900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{14813}}^1$

素因数の和:14908

約数の個数: 108

約数和(自身を含む): 47370905568

約数和(自身を除く): 27250407668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 47, 50, 68, 85, 94, 100, 170, 188, 235, 289, 340, 425, 470, 578, 799, 850, 940, 1156, 1175, 1445, 1598, 1700, 2350, 2890, 3196, 3995, 4700, 5780, 7225, 7990, 13583, 14450, 14813, 15980, 19975, 27166, 28900, 29626, 39950, 54332, 59252, 67915, 74065, 79900, 135830, 148130, 251821, 271660, 296260, 339575, 370325, 503642, 679150, 696211, 740650, 1007284, 1259105, 1358300, 1392422, 1481300, 2518210, 2784844, 3481055, 4280957, 5036420, 6295525, 6962110, 8561914, 11835587, 12591050, 13924220, 17123828, 17405275, 21404785, 23671174, 25182100, 34810550, 42809570, 47342348, 59177935, 69621100, 85619140, 107023925, 118355870, 201204979, 214047850, 236711740, 295889675, 402409958, 428095700, 591779350, 804819916, 1006024895, 1183558700, 2012049790, 4024099580, 5030124475, 10060248950, 20120497900]

約数ペア:

[(1, 20120497900), (2, 10060248950), (4, 5030124475), (5, 4024099580), (10, 2012049790), (17, 1183558700), (20, 1006024895), (25, 804819916), (34, 591779350), (47, 428095700), (50, 402409958), (68, 295889675), (85, 236711740), (94, 214047850), (100, 201204979), (170, 118355870), (188, 107023925), (235, 85619140), (289, 69621100), (340, 59177935), (425, 47342348), (470, 42809570), (578, 34810550), (799, 25182100), (850, 23671174), (940, 21404785), (1156, 17405275), (1175, 17123828), (1445, 13924220), (1598, 12591050), (1700, 11835587), (2350, 8561914), (2890, 6962110), (3196, 6295525), (3995, 5036420), (4700, 4280957), (5780, 3481055), (7225, 2784844), (7990, 2518210), (13583, 1481300), (14450, 1392422), (14813, 1358300), (15980, 1259105), (19975, 1007284), (27166, 740650), (28900, 696211), (29626, 679150), (39950, 503642), (54332, 370325), (59252, 339575), (67915, 296260), (74065, 271660), (79900, 251821), (135830, 148130)]