20893230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{863}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 54587520

約数和(自身を除く): 33694290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 269, 538, 807, 863, 1345, 1614, 1726, 2421, 2589, 2690, 4035, 4315, 4842, 5178, 7767, 8070, 8630, 12105, 12945, 15534, 24210, 25890, 38835, 77670, 232147, 464294, 696441, 1160735, 1392882, 2089323, 2321470, 3482205, 4178646, 6964410, 10446615, 20893230]

約数ペア:

[(1, 20893230), (2, 10446615), (3, 6964410), (5, 4178646), (6, 3482205), (9, 2321470), (10, 2089323), (15, 1392882), (18, 1160735), (30, 696441), (45, 464294), (90, 232147), (269, 77670), (538, 38835), (807, 25890), (863, 24210), (1345, 15534), (1614, 12945), (1726, 12105), (2421, 8630), (2589, 8070), (2690, 7767), (4035, 5178), (4315, 4842)]