20201381390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10723}}^1\times {\mathrm{8191}}^1$

素因数の和:18944

約数の個数: 32

約数和(自身を含む): 37951635456

約数和(自身を除く): 17750254066

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 8191, 10723, 16382, 21446, 40955, 53615, 81910, 107230, 188393, 246629, 376786, 493258, 941965, 1233145, 1883930, 2466290, 87832093, 175664186, 439160465, 878320930, 2020138139, 4040276278, 10100690695, 20201381390]

約数ペア:

[(1, 20201381390), (2, 10100690695), (5, 4040276278), (10, 2020138139), (23, 878320930), (46, 439160465), (115, 175664186), (230, 87832093), (8191, 2466290), (10723, 1883930), (16382, 1233145), (21446, 941965), (40955, 493258), (53615, 376786), (81910, 246629), (107230, 188393)]