20007363705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{383393}}^1$

素因数の和:383486

約数の個数: 48

約数和(自身を含む): 37762775424

約数和(自身を除く): 17755411719

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1491, 2485, 3479, 7455, 10437, 17395, 52185, 383393, 1150179, 1916965, 2683751, 5750895, 8051253, 13418755, 18786257, 27220903, 40256265, 56358771, 81662709, 93931285, 136104515, 190546321, 281793855, 408313545, 571638963, 952731605, 1333824247, 2858194815, 4001472741, 6669121235, 20007363705]

約数ペア:

[(1, 20007363705), (3, 6669121235), (5, 4001472741), (7, 2858194815), (15, 1333824247), (21, 952731605), (35, 571638963), (49, 408313545), (71, 281793855), (105, 190546321), (147, 136104515), (213, 93931285), (245, 81662709), (355, 56358771), (497, 40256265), (735, 27220903), (1065, 18786257), (1491, 13418755), (2485, 8051253), (3479, 5750895), (7455, 2683751), (10437, 1916965), (17395, 1150179), (52185, 383393)]