206588980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61121}}^1$

素因数の和:61156

約数の個数: 36

約数和(自身を含む): 469783692

約数和(自身を除く): 263194712

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 61121, 122242, 244484, 305605, 611210, 794573, 1222420, 1589146, 3178292, 3972865, 7945730, 10329449, 15891460, 20658898, 41317796, 51647245, 103294490, 206588980]

約数ペア:

[(1, 206588980), (2, 103294490), (4, 51647245), (5, 41317796), (10, 20658898), (13, 15891460), (20, 10329449), (26, 7945730), (52, 3972865), (65, 3178292), (130, 1589146), (169, 1222420), (260, 794573), (338, 611210), (676, 305605), (845, 244484), (1690, 122242), (3380, 61121)]