20411664

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4673}}^1$

素因数の和:4704

約数の個数: 80

約数和(自身を含む): 64912512

約数和(自身を除く): 44500848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4673, 9346, 14019, 18692, 28038, 32711, 37384, 56076, 60749, 65422, 74768, 98133, 112152, 121498, 130844, 182247, 196266, 224304, 242996, 261688, 364494, 392532, 425243, 485992, 523376, 728988, 785064, 850486, 971984, 1275729, 1457976, 1570128, 1700972, 2551458, 2915952, 3401944, 5102916, 6803888, 10205832, 20411664]

約数ペア:

[(1, 20411664), (2, 10205832), (3, 6803888), (4, 5102916), (6, 3401944), (7, 2915952), (8, 2551458), (12, 1700972), (13, 1570128), (14, 1457976), (16, 1275729), (21, 971984), (24, 850486), (26, 785064), (28, 728988), (39, 523376), (42, 485992), (48, 425243), (52, 392532), (56, 364494), (78, 261688), (84, 242996), (91, 224304), (104, 196266), (112, 182247), (156, 130844), (168, 121498), (182, 112152), (208, 98133), (273, 74768), (312, 65422), (336, 60749), (364, 56076), (546, 37384), (624, 32711), (728, 28038), (1092, 18692), (1456, 14019), (2184, 9346), (4368, 4673)]