20193992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27739}}^1$

素因数の和:27765

約数の個数: 32

約数和(自身を含む): 46603200

約数和(自身を除く): 26409208

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27739, 55478, 110956, 194173, 221912, 360607, 388346, 721214, 776692, 1442428, 1553384, 2524249, 2884856, 5048498, 10096996, 20193992]

約数ペア:

[(1, 20193992), (2, 10096996), (4, 5048498), (7, 2884856), (8, 2524249), (13, 1553384), (14, 1442428), (26, 776692), (28, 721214), (52, 388346), (56, 360607), (91, 221912), (104, 194173), (182, 110956), (364, 55478), (728, 27739)]