20219854864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1\times {\mathrm{1877}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 43269480576

約数和(自身を除く): 23049625712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 388, 631, 776, 1067, 1262, 1552, 1877, 2134, 2524, 3754, 4268, 5048, 6941, 7508, 8536, 10096, 13882, 15016, 17072, 20647, 27764, 30032, 41294, 55528, 61207, 82588, 111056, 122414, 165176, 182069, 244828, 330352, 364138, 489656, 673277, 728276, 979312, 1184387, 1346554, 1456552, 2002759, 2368774, 2693108, 2913104, 4005518, 4737548, 5386216, 8011036, 9475096, 10772432, 13028257, 16022072, 18950192, 26056514, 32044144, 52113028, 104226056, 114885539, 208452112, 229771078, 459542156, 919084312, 1263740929, 1838168624, 2527481858, 5054963716, 10109927432, 20219854864]

約数ペア:

[(1, 20219854864), (2, 10109927432), (4, 5054963716), (8, 2527481858), (11, 1838168624), (16, 1263740929), (22, 919084312), (44, 459542156), (88, 229771078), (97, 208452112), (176, 114885539), (194, 104226056), (388, 52113028), (631, 32044144), (776, 26056514), (1067, 18950192), (1262, 16022072), (1552, 13028257), (1877, 10772432), (2134, 9475096), (2524, 8011036), (3754, 5386216), (4268, 4737548), (5048, 4005518), (6941, 2913104), (7508, 2693108), (8536, 2368774), (10096, 2002759), (13882, 1456552), (15016, 1346554), (17072, 1184387), (20647, 979312), (27764, 728276), (30032, 673277), (41294, 489656), (55528, 364138), (61207, 330352), (82588, 244828), (111056, 182069), (122414, 165176)]