20347054668

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{659}}^1\times {\mathrm{6547}}^1$

素因数の和:7347

約数の個数: 72

約数和(自身を含む): 51912020160

約数和(自身を除く): 31564965492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 659, 786, 1179, 1318, 1572, 1977, 2358, 2636, 3954, 4716, 5931, 6547, 7908, 11862, 13094, 19641, 23724, 26188, 39282, 58923, 78564, 86329, 117846, 172658, 235692, 258987, 345316, 517974, 776961, 857657, 1035948, 1553922, 1715314, 2572971, 3107844, 3430628, 4314473, 5145942, 7718913, 8628946, 10291884, 12943419, 15437826, 17257892, 25886838, 30875652, 38830257, 51773676, 77660514, 155321028, 565195963, 1130391926, 1695587889, 2260783852, 3391175778, 5086763667, 6782351556, 10173527334, 20347054668]

約数ペア:

[(1, 20347054668), (2, 10173527334), (3, 6782351556), (4, 5086763667), (6, 3391175778), (9, 2260783852), (12, 1695587889), (18, 1130391926), (36, 565195963), (131, 155321028), (262, 77660514), (393, 51773676), (524, 38830257), (659, 30875652), (786, 25886838), (1179, 17257892), (1318, 15437826), (1572, 12943419), (1977, 10291884), (2358, 8628946), (2636, 7718913), (3954, 5145942), (4716, 4314473), (5931, 3430628), (6547, 3107844), (7908, 2572971), (11862, 1715314), (13094, 1553922), (19641, 1035948), (23724, 857657), (26188, 776961), (39282, 517974), (58923, 345316), (78564, 258987), (86329, 235692), (117846, 172658)]