20029256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 42069300

約数和(自身を除く): 22040044

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 229, 232, 377, 458, 754, 841, 916, 1508, 1682, 1832, 2977, 3016, 3364, 5954, 6641, 6728, 10933, 11908, 13282, 21866, 23816, 26564, 43732, 53128, 86333, 87464, 172666, 192589, 345332, 385178, 690664, 770356, 1540712, 2503657, 5007314, 10014628, 20029256]

約数ペア:

[(1, 20029256), (2, 10014628), (4, 5007314), (8, 2503657), (13, 1540712), (26, 770356), (29, 690664), (52, 385178), (58, 345332), (104, 192589), (116, 172666), (229, 87464), (232, 86333), (377, 53128), (458, 43732), (754, 26564), (841, 23816), (916, 21866), (1508, 13282), (1682, 11908), (1832, 10933), (2977, 6728), (3016, 6641), (3364, 5954)]