20162287160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{3889}}^1$

素因数の和:4081

約数の個数: 128

約数和(自身を含む): 48532262400

約数和(自身を除く): 28369975240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 113, 124, 148, 155, 185, 226, 248, 296, 310, 370, 452, 565, 620, 740, 904, 1130, 1147, 1240, 1480, 2260, 2294, 3503, 3889, 4181, 4520, 4588, 5735, 7006, 7778, 8362, 9176, 11470, 14012, 15556, 16724, 17515, 19445, 20905, 22940, 28024, 31112, 33448, 35030, 38890, 41810, 45880, 70060, 77780, 83620, 120559, 129611, 140120, 143893, 155560, 167240, 241118, 259222, 287786, 439457, 482236, 518444, 575572, 602795, 648055, 719465, 878914, 964472, 1036888, 1151144, 1205590, 1296110, 1438930, 1757828, 2197285, 2411180, 2592220, 2877860, 3515656, 4394570, 4460683, 4822360, 5184440, 5755720, 8789140, 8921366, 13623167, 16259909, 17578280, 17842732, 22303415, 27246334, 32519818, 35685464, 44606830, 54492668, 65039636, 68115835, 81299545, 89213660, 108985336, 130079272, 136231670, 162599090, 178427320, 272463340, 325198180, 504057179, 544926680, 650396360, 1008114358, 2016228716, 2520285895, 4032457432, 5040571790, 10081143580, 20162287160]

約数ペア:

[(1, 20162287160), (2, 10081143580), (4, 5040571790), (5, 4032457432), (8, 2520285895), (10, 2016228716), (20, 1008114358), (31, 650396360), (37, 544926680), (40, 504057179), (62, 325198180), (74, 272463340), (113, 178427320), (124, 162599090), (148, 136231670), (155, 130079272), (185, 108985336), (226, 89213660), (248, 81299545), (296, 68115835), (310, 65039636), (370, 54492668), (452, 44606830), (565, 35685464), (620, 32519818), (740, 27246334), (904, 22303415), (1130, 17842732), (1147, 17578280), (1240, 16259909), (1480, 13623167), (2260, 8921366), (2294, 8789140), (3503, 5755720), (3889, 5184440), (4181, 4822360), (4520, 4460683), (4588, 4394570), (5735, 3515656), (7006, 2877860), (7778, 2592220), (8362, 2411180), (9176, 2197285), (11470, 1757828), (14012, 1438930), (15556, 1296110), (16724, 1205590), (17515, 1151144), (19445, 1036888), (20905, 964472), (22940, 878914), (28024, 719465), (31112, 648055), (33448, 602795), (35030, 575572), (38890, 518444), (41810, 482236), (45880, 439457), (70060, 287786), (77780, 259222), (83620, 241118), (120559, 167240), (129611, 155560), (140120, 143893)]