20413656

素因数分解:

$2^3\times 3^2\times {\mathrm{227}}^1\times {\mathrm{1249}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 55575000

約数和(自身を除く): 35161344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 227, 454, 681, 908, 1249, 1362, 1816, 2043, 2498, 2724, 3747, 4086, 4996, 5448, 7494, 8172, 9992, 11241, 14988, 16344, 22482, 29976, 44964, 89928, 283523, 567046, 850569, 1134092, 1701138, 2268184, 2551707, 3402276, 5103414, 6804552, 10206828, 20413656]

約数ペア:

[(1, 20413656), (2, 10206828), (3, 6804552), (4, 5103414), (6, 3402276), (8, 2551707), (9, 2268184), (12, 1701138), (18, 1134092), (24, 850569), (36, 567046), (72, 283523), (227, 89928), (454, 44964), (681, 29976), (908, 22482), (1249, 16344), (1362, 14988), (1816, 11241), (2043, 9992), (2498, 8172), (2724, 7494), (3747, 5448), (4086, 4996)]