20215548896

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{383}}^1\times {\mathrm{20879}}^1$

素因数の和:21351

約数の個数: 48

約数和(自身を含む): 40410316800

約数和(自身を除く): 20194767904

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 383, 632, 766, 1264, 1532, 2528, 3064, 6128, 12256, 20879, 30257, 41758, 60514, 83516, 121028, 167032, 242056, 334064, 484112, 668128, 968224, 1649441, 3298882, 6597764, 7996657, 13195528, 15993314, 26391056, 31986628, 52782112, 63973256, 127946512, 255893024, 631735903, 1263471806, 2526943612, 5053887224, 10107774448, 20215548896]

約数ペア:

[(1, 20215548896), (2, 10107774448), (4, 5053887224), (8, 2526943612), (16, 1263471806), (32, 631735903), (79, 255893024), (158, 127946512), (316, 63973256), (383, 52782112), (632, 31986628), (766, 26391056), (1264, 15993314), (1532, 13195528), (2528, 7996657), (3064, 6597764), (6128, 3298882), (12256, 1649441), (20879, 968224), (30257, 668128), (41758, 484112), (60514, 334064), (83516, 242056), (121028, 167032)]