20565659904

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{18379}}^1$

素因数の和:18476

約数の個数: 144

約数和(自身を含む): 57705553920

約数和(自身を除く): 37139894016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 47, 48, 62, 64, 93, 94, 96, 124, 128, 141, 186, 188, 192, 248, 256, 282, 372, 376, 384, 496, 564, 744, 752, 768, 992, 1128, 1457, 1488, 1504, 1984, 2256, 2914, 2976, 3008, 3968, 4371, 4512, 5828, 5952, 6016, 7936, 8742, 9024, 11656, 11904, 12032, 17484, 18048, 18379, 23312, 23808, 34968, 36096, 36758, 46624, 55137, 69936, 73516, 93248, 110274, 139872, 147032, 186496, 220548, 279744, 294064, 372992, 441096, 559488, 569749, 588128, 863813, 882192, 1118976, 1139498, 1176256, 1709247, 1727626, 1764384, 2278996, 2352512, 2591439, 3418494, 3455252, 3528768, 4557992, 4705024, 5182878, 6836988, 6910504, 7057536, 9115984, 10365756, 13673976, 13821008, 14115072, 18231968, 20731512, 26778203, 27347952, 27642016, 36463936, 41463024, 53556406, 54695904, 55284032, 72927872, 80334609, 82926048, 107112812, 109391808, 110568064, 145855744, 160669218, 165852096, 214225624, 218783616, 221136128, 321338436, 331704192, 428451248, 437567232, 642676872, 663408384, 856902496, 1285353744, 1713804992, 2570707488, 3427609984, 5141414976, 6855219968, 10282829952, 20565659904]

約数ペア:

[(1, 20565659904), (2, 10282829952), (3, 6855219968), (4, 5141414976), (6, 3427609984), (8, 2570707488), (12, 1713804992), (16, 1285353744), (24, 856902496), (31, 663408384), (32, 642676872), (47, 437567232), (48, 428451248), (62, 331704192), (64, 321338436), (93, 221136128), (94, 218783616), (96, 214225624), (124, 165852096), (128, 160669218), (141, 145855744), (186, 110568064), (188, 109391808), (192, 107112812), (248, 82926048), (256, 80334609), (282, 72927872), (372, 55284032), (376, 54695904), (384, 53556406), (496, 41463024), (564, 36463936), (744, 27642016), (752, 27347952), (768, 26778203), (992, 20731512), (1128, 18231968), (1457, 14115072), (1488, 13821008), (1504, 13673976), (1984, 10365756), (2256, 9115984), (2914, 7057536), (2976, 6910504), (3008, 6836988), (3968, 5182878), (4371, 4705024), (4512, 4557992), (5828, 3528768), (5952, 3455252), (6016, 3418494), (7936, 2591439), (8742, 2352512), (9024, 2278996), (11656, 1764384), (11904, 1727626), (12032, 1709247), (17484, 1176256), (18048, 1139498), (18379, 1118976), (23312, 882192), (23808, 863813), (34968, 588128), (36096, 569749), (36758, 559488), (46624, 441096), (55137, 372992), (69936, 294064), (73516, 279744), (93248, 220548), (110274, 186496), (139872, 147032)]