20157633244

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 44081525824

約数和(自身を除く): 23923892580

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 97, 119, 122, 194, 238, 244, 289, 388, 421, 427, 476, 578, 679, 842, 854, 1037, 1156, 1358, 1649, 1684, 1708, 2023, 2074, 2716, 2947, 3298, 4046, 4148, 5894, 5917, 6596, 7157, 7259, 8092, 11543, 11788, 11834, 14314, 14518, 17629, 23086, 23668, 25681, 28033, 28628, 29036, 35258, 40837, 41419, 46172, 50099, 51362, 56066, 70516, 81674, 82838, 100198, 100589, 102724, 112132, 121669, 123403, 163348, 165676, 179767, 196231, 200396, 201178, 243338, 246806, 285859, 359534, 392462, 402356, 436577, 486676, 493612, 571718, 694229, 704123, 719068, 784924, 851683, 873154, 1143436, 1388458, 1408246, 1703366, 1710013, 1746308, 2491057, 2776916, 2816492, 3056039, 3406732, 3420026, 4859603, 4982114, 6112078, 6840052, 7421809, 9719206, 9964228, 11801893, 11970091, 12224156, 14843618, 17437399, 19438412, 23603786, 23940182, 29687236, 34874798, 42347969, 47207572, 47880364, 51952663, 69749596, 82613251, 84695938, 103905326, 165226502, 169391876, 207810652, 296435783, 330453004, 592871566, 719915473, 1185743132, 1439830946, 2879661892, 5039408311, 10078816622, 20157633244]

約数ペア:

[(1, 20157633244), (2, 10078816622), (4, 5039408311), (7, 2879661892), (14, 1439830946), (17, 1185743132), (28, 719915473), (34, 592871566), (61, 330453004), (68, 296435783), (97, 207810652), (119, 169391876), (122, 165226502), (194, 103905326), (238, 84695938), (244, 82613251), (289, 69749596), (388, 51952663), (421, 47880364), (427, 47207572), (476, 42347969), (578, 34874798), (679, 29687236), (842, 23940182), (854, 23603786), (1037, 19438412), (1156, 17437399), (1358, 14843618), (1649, 12224156), (1684, 11970091), (1708, 11801893), (2023, 9964228), (2074, 9719206), (2716, 7421809), (2947, 6840052), (3298, 6112078), (4046, 4982114), (4148, 4859603), (5894, 3420026), (5917, 3406732), (6596, 3056039), (7157, 2816492), (7259, 2776916), (8092, 2491057), (11543, 1746308), (11788, 1710013), (11834, 1703366), (14314, 1408246), (14518, 1388458), (17629, 1143436), (23086, 873154), (23668, 851683), (25681, 784924), (28033, 719068), (28628, 704123), (29036, 694229), (35258, 571718), (40837, 493612), (41419, 486676), (46172, 436577), (50099, 402356), (51362, 392462), (56066, 359534), (70516, 285859), (81674, 246806), (82838, 243338), (100198, 201178), (100589, 200396), (102724, 196231), (112132, 179767), (121669, 165676), (123403, 163348)]