19933520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14657}}^1$

素因数の和:14687

約数の個数: 40

約数和(自身を含む): 49074984

約数和(自身を除く): 29141464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14657, 29314, 58628, 73285, 117256, 146570, 234512, 249169, 293140, 498338, 586280, 996676, 1172560, 1245845, 1993352, 2491690, 3986704, 4983380, 9966760, 19933520]

約数ペア:

[(1, 19933520), (2, 9966760), (4, 4983380), (5, 3986704), (8, 2491690), (10, 1993352), (16, 1245845), (17, 1172560), (20, 996676), (34, 586280), (40, 498338), (68, 293140), (80, 249169), (85, 234512), (136, 146570), (170, 117256), (272, 73285), (340, 58628), (680, 29314), (1360, 14657)]