20314065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 16699695

約数列:

[1, 3, 5, 15, 17, 29, 41, 51, 67, 85, 87, 123, 145, 201, 205, 255, 335, 435, 493, 615, 697, 1005, 1139, 1189, 1479, 1943, 2091, 2465, 2747, 3417, 3485, 3567, 5695, 5829, 5945, 7395, 8241, 9715, 10455, 13735, 17085, 17835, 20213, 29145, 33031, 41205, 46699, 60639, 79663, 99093, 101065, 140097, 165155, 233495, 238989, 303195, 398315, 495465, 700485, 1194945, 1354271, 4062813, 6771355, 20314065]

約数ペア:

[(1, 20314065), (3, 6771355), (5, 4062813), (15, 1354271), (17, 1194945), (29, 700485), (41, 495465), (51, 398315), (67, 303195), (85, 238989), (87, 233495), (123, 165155), (145, 140097), (201, 101065), (205, 99093), (255, 79663), (335, 60639), (435, 46699), (493, 41205), (615, 33031), (697, 29145), (1005, 20213), (1139, 17835), (1189, 17085), (1479, 13735), (1943, 10455), (2091, 9715), (2465, 8241), (2747, 7395), (3417, 5945), (3485, 5829), (3567, 5695)]