20656308906

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{196873}}^1$

素因数の和:196980

約数の個数: 64

約数和(自身を含む): 48194755200

約数和(自身を除く): 27538446294

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 67, 87, 134, 174, 201, 261, 402, 522, 603, 783, 1206, 1566, 1809, 1943, 3618, 3886, 5829, 11658, 17487, 34974, 52461, 104922, 196873, 393746, 590619, 1181238, 1771857, 3543714, 5315571, 5709317, 10631142, 11418634, 13190491, 17127951, 26380982, 34255902, 39571473, 51383853, 79142946, 102767706, 118714419, 154151559, 237428838, 308303118, 356143257, 382524239, 712286514, 765048478, 1147572717, 2295145434, 3442718151, 6885436302, 10328154453, 20656308906]

約数ペア:

[(1, 20656308906), (2, 10328154453), (3, 6885436302), (6, 3442718151), (9, 2295145434), (18, 1147572717), (27, 765048478), (29, 712286514), (54, 382524239), (58, 356143257), (67, 308303118), (87, 237428838), (134, 154151559), (174, 118714419), (201, 102767706), (261, 79142946), (402, 51383853), (522, 39571473), (603, 34255902), (783, 26380982), (1206, 17127951), (1566, 13190491), (1809, 11418634), (1943, 10631142), (3618, 5709317), (3886, 5315571), (5829, 3543714), (11658, 1771857), (17487, 1181238), (34974, 590619), (52461, 393746), (104922, 196873)]