20592720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 120

約数和(自身を含む): 71118216

約数和(自身を除く): 50525496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 773, 888, 1110, 1332, 1480, 1546, 1665, 1776, 2220, 2319, 2664, 2960, 3092, 3330, 3865, 4440, 4638, 5328, 6184, 6660, 6957, 7730, 8880, 9276, 11595, 12368, 13320, 13914, 15460, 18552, 23190, 26640, 27828, 28601, 30920, 34785, 37104, 46380, 55656, 57202, 61840, 69570, 85803, 92760, 111312, 114404, 139140, 143005, 171606, 185520, 228808, 257409, 278280, 286010, 343212, 429015, 457616, 514818, 556560, 572020, 686424, 858030, 1029636, 1144040, 1287045, 1372848, 1716060, 2059272, 2288080, 2574090, 3432120, 4118544, 5148180, 6864240, 10296360, 20592720]

約数ペア:

[(1, 20592720), (2, 10296360), (3, 6864240), (4, 5148180), (5, 4118544), (6, 3432120), (8, 2574090), (9, 2288080), (10, 2059272), (12, 1716060), (15, 1372848), (16, 1287045), (18, 1144040), (20, 1029636), (24, 858030), (30, 686424), (36, 572020), (37, 556560), (40, 514818), (45, 457616), (48, 429015), (60, 343212), (72, 286010), (74, 278280), (80, 257409), (90, 228808), (111, 185520), (120, 171606), (144, 143005), (148, 139140), (180, 114404), (185, 111312), (222, 92760), (240, 85803), (296, 69570), (333, 61840), (360, 57202), (370, 55656), (444, 46380), (555, 37104), (592, 34785), (666, 30920), (720, 28601), (740, 27828), (773, 26640), (888, 23190), (1110, 18552), (1332, 15460), (1480, 13914), (1546, 13320), (1665, 12368), (1776, 11595), (2220, 9276), (2319, 8880), (2664, 7730), (2960, 6957), (3092, 6660), (3330, 6184), (3865, 5328), (4440, 4638)]