20203872

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{16189}}^1$

素因数の和:16215

約数の個数: 48

約数和(自身を含む): 57118320

約数和(自身を除く): 36914448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 16189, 32378, 48567, 64756, 97134, 129512, 194268, 210457, 259024, 388536, 420914, 518048, 631371, 777072, 841828, 1262742, 1554144, 1683656, 2525484, 3367312, 5050968, 6734624, 10101936, 20203872]

約数ペア:

[(1, 20203872), (2, 10101936), (3, 6734624), (4, 5050968), (6, 3367312), (8, 2525484), (12, 1683656), (13, 1554144), (16, 1262742), (24, 841828), (26, 777072), (32, 631371), (39, 518048), (48, 420914), (52, 388536), (78, 259024), (96, 210457), (104, 194268), (156, 129512), (208, 97134), (312, 64756), (416, 48567), (624, 32378), (1248, 16189)]