20860944

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 58787904

約数和(自身を除く): 37926960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 101, 104, 156, 202, 208, 303, 312, 331, 404, 606, 624, 662, 808, 993, 1212, 1313, 1324, 1616, 1986, 2424, 2626, 2648, 3939, 3972, 4303, 4848, 5252, 5296, 7878, 7944, 8606, 10504, 12909, 15756, 15888, 17212, 21008, 25818, 31512, 33431, 34424, 51636, 63024, 66862, 68848, 100293, 103272, 133724, 200586, 206544, 267448, 401172, 434603, 534896, 802344, 869206, 1303809, 1604688, 1738412, 2607618, 3476824, 5215236, 6953648, 10430472, 20860944]

約数ペア:

[(1, 20860944), (2, 10430472), (3, 6953648), (4, 5215236), (6, 3476824), (8, 2607618), (12, 1738412), (13, 1604688), (16, 1303809), (24, 869206), (26, 802344), (39, 534896), (48, 434603), (52, 401172), (78, 267448), (101, 206544), (104, 200586), (156, 133724), (202, 103272), (208, 100293), (303, 68848), (312, 66862), (331, 63024), (404, 51636), (606, 34424), (624, 33431), (662, 31512), (808, 25818), (993, 21008), (1212, 17212), (1313, 15888), (1324, 15756), (1616, 12909), (1986, 10504), (2424, 8606), (2626, 7944), (2648, 7878), (3939, 5296), (3972, 5252), (4303, 4848)]