20678616

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 44186184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 89, 126, 168, 178, 252, 267, 356, 461, 504, 534, 623, 712, 801, 922, 1068, 1246, 1383, 1602, 1844, 1869, 2136, 2492, 2766, 3204, 3227, 3688, 3738, 4149, 4984, 5532, 5607, 6408, 6454, 7476, 8298, 9681, 11064, 11214, 12908, 14952, 16596, 19362, 22428, 25816, 29043, 33192, 38724, 41029, 44856, 58086, 77448, 82058, 116172, 123087, 164116, 232344, 246174, 287203, 328232, 369261, 492348, 574406, 738522, 861609, 984696, 1148812, 1477044, 1723218, 2297624, 2584827, 2954088, 3446436, 5169654, 6892872, 10339308, 20678616]

約数ペア:

[(1, 20678616), (2, 10339308), (3, 6892872), (4, 5169654), (6, 3446436), (7, 2954088), (8, 2584827), (9, 2297624), (12, 1723218), (14, 1477044), (18, 1148812), (21, 984696), (24, 861609), (28, 738522), (36, 574406), (42, 492348), (56, 369261), (63, 328232), (72, 287203), (84, 246174), (89, 232344), (126, 164116), (168, 123087), (178, 116172), (252, 82058), (267, 77448), (356, 58086), (461, 44856), (504, 41029), (534, 38724), (623, 33192), (712, 29043), (801, 25816), (922, 22428), (1068, 19362), (1246, 16596), (1383, 14952), (1602, 12908), (1844, 11214), (1869, 11064), (2136, 9681), (2492, 8298), (2766, 7476), (3204, 6454), (3227, 6408), (3688, 5607), (3738, 5532), (4149, 4984)]