20786016

素因数分解:

$2^5\times 3^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5335

約数の個数: 48

約数和(自身を含む): 55904688

約数和(自身を除く): 35118672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 82, 96, 123, 164, 246, 328, 492, 656, 984, 1312, 1968, 3936, 5281, 10562, 15843, 21124, 31686, 42248, 63372, 84496, 126744, 168992, 216521, 253488, 433042, 506976, 649563, 866084, 1299126, 1732168, 2598252, 3464336, 5196504, 6928672, 10393008, 20786016]

約数ペア:

[(1, 20786016), (2, 10393008), (3, 6928672), (4, 5196504), (6, 3464336), (8, 2598252), (12, 1732168), (16, 1299126), (24, 866084), (32, 649563), (41, 506976), (48, 433042), (82, 253488), (96, 216521), (123, 168992), (164, 126744), (246, 84496), (328, 63372), (492, 42248), (656, 31686), (984, 21124), (1312, 15843), (1968, 10562), (3936, 5281)]