20734908

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 50426880

約数和(自身を除く): 29691972

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 139, 186, 278, 372, 401, 417, 556, 802, 834, 1203, 1604, 1668, 2406, 4309, 4812, 8618, 12431, 12927, 17236, 24862, 25854, 37293, 49724, 51708, 55739, 74586, 111478, 149172, 167217, 222956, 334434, 668868, 1727909, 3455818, 5183727, 6911636, 10367454, 20734908]

約数ペア:

[(1, 20734908), (2, 10367454), (3, 6911636), (4, 5183727), (6, 3455818), (12, 1727909), (31, 668868), (62, 334434), (93, 222956), (124, 167217), (139, 149172), (186, 111478), (278, 74586), (372, 55739), (401, 51708), (417, 49724), (556, 37293), (802, 25854), (834, 24862), (1203, 17236), (1604, 12927), (1668, 12431), (2406, 8618), (4309, 4812)]