20403642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15714

約数の個数: 32

約数和(自身を含む): 48144384

約数和(自身を除く): 27740742

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15671, 31342, 47013, 94026, 109697, 219394, 329091, 485801, 658182, 971602, 1457403, 2914806, 3400607, 6801214, 10201821, 20403642]

約数ペア:

[(1, 20403642), (2, 10201821), (3, 6801214), (6, 3400607), (7, 2914806), (14, 1457403), (21, 971602), (31, 658182), (42, 485801), (62, 329091), (93, 219394), (186, 109697), (217, 94026), (434, 47013), (651, 31342), (1302, 15671)]