20781679374

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{702701}}^1$

素因数の和:702793

約数の個数: 48

約数和(自身を含む): 47356493184

約数和(自身を除く): 26574813810

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 954, 1643, 3286, 4929, 9858, 14787, 29574, 702701, 1405402, 2108103, 4216206, 6324309, 12648618, 21783731, 37243153, 43567462, 65351193, 74486306, 111729459, 130702386, 196053579, 223458918, 335188377, 392107158, 670376754, 1154537743, 2309075486, 3463613229, 6927226458, 10390839687, 20781679374]

約数ペア:

[(1, 20781679374), (2, 10390839687), (3, 6927226458), (6, 3463613229), (9, 2309075486), (18, 1154537743), (31, 670376754), (53, 392107158), (62, 335188377), (93, 223458918), (106, 196053579), (159, 130702386), (186, 111729459), (279, 74486306), (318, 65351193), (477, 43567462), (558, 37243153), (954, 21783731), (1643, 12648618), (3286, 6324309), (4929, 4216206), (9858, 2108103), (14787, 1405402), (29574, 702701)]