20126306564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{621259}}^1$

素因数の和:621372

約数の個数: 48

約数和(自身を含む): 43836105600

約数和(自身を除く): 23709799036

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 1157, 1246, 2314, 2492, 4628, 8099, 16198, 32396, 621259, 1242518, 2485036, 4348813, 8076367, 8697626, 16152734, 17395252, 32305468, 55292051, 56534569, 110584102, 113069138, 221168204, 226138276, 387044357, 718796663, 774088714, 1437593326, 1548177428, 2875186652, 5031576641, 10063153282, 20126306564]

約数ペア:

[(1, 20126306564), (2, 10063153282), (4, 5031576641), (7, 2875186652), (13, 1548177428), (14, 1437593326), (26, 774088714), (28, 718796663), (52, 387044357), (89, 226138276), (91, 221168204), (178, 113069138), (182, 110584102), (356, 56534569), (364, 55292051), (623, 32305468), (1157, 17395252), (1246, 16152734), (2314, 8697626), (2492, 8076367), (4628, 4348813), (8099, 2485036), (16198, 1242518), (32396, 621259)]