20176920530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:580

約数の個数: 128

約数和(自身を含む): 40891834368

約数和(自身を除く): 20714913838

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 97, 127, 130, 194, 215, 254, 293, 430, 485, 559, 586, 635, 970, 1118, 1261, 1270, 1465, 1651, 2522, 2795, 2930, 3302, 3809, 4171, 5461, 5590, 6305, 7618, 8255, 8342, 10922, 12319, 12599, 12610, 16510, 19045, 20855, 24638, 25198, 27305, 28421, 37211, 38090, 41710, 54223, 54610, 56842, 61595, 62995, 70993, 74422, 108446, 123190, 125990, 141986, 142105, 160147, 163787, 186055, 271115, 284210, 320294, 327574, 354965, 369473, 372110, 483743, 529717, 542230, 709930, 738946, 800735, 818935, 967486, 1059434, 1222103, 1600073, 1601470, 1637870, 1847365, 2418715, 2444206, 2648585, 3200146, 3609467, 3694730, 4837430, 5297170, 6110515, 6886321, 7218934, 8000365, 12221030, 13772642, 15887339, 16000730, 18047335, 20800949, 31774678, 34431605, 36094670, 41601898, 46923071, 68863210, 79436695, 93846142, 104004745, 155207081, 158873390, 208009490, 234615355, 310414162, 469230710, 776035405, 1552070810, 2017692053, 4035384106, 10088460265, 20176920530]

約数ペア:

[(1, 20176920530), (2, 10088460265), (5, 4035384106), (10, 2017692053), (13, 1552070810), (26, 776035405), (43, 469230710), (65, 310414162), (86, 234615355), (97, 208009490), (127, 158873390), (130, 155207081), (194, 104004745), (215, 93846142), (254, 79436695), (293, 68863210), (430, 46923071), (485, 41601898), (559, 36094670), (586, 34431605), (635, 31774678), (970, 20800949), (1118, 18047335), (1261, 16000730), (1270, 15887339), (1465, 13772642), (1651, 12221030), (2522, 8000365), (2795, 7218934), (2930, 6886321), (3302, 6110515), (3809, 5297170), (4171, 4837430), (5461, 3694730), (5590, 3609467), (6305, 3200146), (7618, 2648585), (8255, 2444206), (8342, 2418715), (10922, 1847365), (12319, 1637870), (12599, 1601470), (12610, 1600073), (16510, 1222103), (19045, 1059434), (20855, 967486), (24638, 818935), (25198, 800735), (27305, 738946), (28421, 709930), (37211, 542230), (38090, 529717), (41710, 483743), (54223, 372110), (54610, 369473), (56842, 354965), (61595, 327574), (62995, 320294), (70993, 284210), (74422, 271115), (108446, 186055), (123190, 163787), (125990, 160147), (141986, 142105)]