20105354885

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1109}}^1$

素因数の和:1208

約数の個数: 96

約数和(自身を含む): 31744224000

約数和(自身を除く): 11638869115

約数列:

[1, 5, 7, 11, 31, 35, 49, 55, 77, 155, 217, 245, 341, 343, 385, 539, 961, 1085, 1109, 1519, 1705, 1715, 2387, 2695, 3773, 4805, 5545, 6727, 7595, 7763, 10571, 10633, 11935, 12199, 16709, 18865, 33635, 34379, 38815, 47089, 52855, 53165, 54341, 60995, 73997, 83545, 85393, 116963, 171895, 235445, 240653, 271705, 329623, 369985, 378169, 380387, 426965, 517979, 584815, 597751, 1065749, 1203265, 1648115, 1684571, 1890845, 1901935, 2589895, 2647183, 2988755, 3625853, 4184257, 5328745, 7460243, 8422855, 11723239, 11791997, 13235915, 18129265, 18530281, 20921285, 37301215, 52221701, 58616195, 58959985, 82062673, 92651405, 129711967, 261108505, 365551907, 410313365, 574438711, 648559835, 1827759535, 2872193555, 4021070977, 20105354885]

約数ペア:

[(1, 20105354885), (5, 4021070977), (7, 2872193555), (11, 1827759535), (31, 648559835), (35, 574438711), (49, 410313365), (55, 365551907), (77, 261108505), (155, 129711967), (217, 92651405), (245, 82062673), (341, 58959985), (343, 58616195), (385, 52221701), (539, 37301215), (961, 20921285), (1085, 18530281), (1109, 18129265), (1519, 13235915), (1705, 11791997), (1715, 11723239), (2387, 8422855), (2695, 7460243), (3773, 5328745), (4805, 4184257), (5545, 3625853), (6727, 2988755), (7595, 2647183), (7763, 2589895), (10571, 1901935), (10633, 1890845), (11935, 1684571), (12199, 1648115), (16709, 1203265), (18865, 1065749), (33635, 597751), (34379, 584815), (38815, 517979), (47089, 426965), (52855, 380387), (53165, 378169), (54341, 369985), (60995, 329623), (73997, 271705), (83545, 240653), (85393, 235445), (116963, 171895)]