20083648

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 56

約数和(自身を含む): 43525440

約数和(自身を除く): 23441792

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 202, 208, 239, 404, 416, 478, 808, 832, 956, 1313, 1616, 1912, 2626, 3107, 3232, 3824, 5252, 6214, 6464, 7648, 10504, 12428, 15296, 21008, 24139, 24856, 42016, 48278, 49712, 84032, 96556, 99424, 193112, 198848, 313807, 386224, 627614, 772448, 1255228, 1544896, 2510456, 5020912, 10041824, 20083648]

約数ペア:

[(1, 20083648), (2, 10041824), (4, 5020912), (8, 2510456), (13, 1544896), (16, 1255228), (26, 772448), (32, 627614), (52, 386224), (64, 313807), (101, 198848), (104, 193112), (202, 99424), (208, 96556), (239, 84032), (404, 49712), (416, 48278), (478, 42016), (808, 24856), (832, 24139), (956, 21008), (1313, 15296), (1616, 12428), (1912, 10504), (2626, 7648), (3107, 6464), (3232, 6214), (3824, 5252)]