20366120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 48157200

約数和(自身を除く): 27791080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 181, 194, 232, 290, 362, 388, 485, 580, 724, 776, 905, 970, 1160, 1448, 1810, 1940, 2813, 3620, 3880, 5249, 5626, 7240, 10498, 11252, 14065, 17557, 20996, 22504, 26245, 28130, 35114, 41992, 52490, 56260, 70228, 87785, 104980, 112520, 140456, 175570, 209960, 351140, 509153, 702280, 1018306, 2036612, 2545765, 4073224, 5091530, 10183060, 20366120]

約数ペア:

[(1, 20366120), (2, 10183060), (4, 5091530), (5, 4073224), (8, 2545765), (10, 2036612), (20, 1018306), (29, 702280), (40, 509153), (58, 351140), (97, 209960), (116, 175570), (145, 140456), (181, 112520), (194, 104980), (232, 87785), (290, 70228), (362, 56260), (388, 52490), (485, 41992), (580, 35114), (724, 28130), (776, 26245), (905, 22504), (970, 20996), (1160, 17557), (1448, 14065), (1810, 11252), (1940, 10498), (2813, 7240), (3620, 5626), (3880, 5249)]