20070516

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 48785408

約数和(自身を除く): 28714892

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 163, 186, 326, 331, 372, 489, 652, 662, 978, 993, 1324, 1956, 1986, 3972, 5053, 10106, 10261, 15159, 20212, 20522, 30318, 30783, 41044, 53953, 60636, 61566, 107906, 123132, 161859, 215812, 323718, 647436, 1672543, 3345086, 5017629, 6690172, 10035258, 20070516]

約数ペア:

[(1, 20070516), (2, 10035258), (3, 6690172), (4, 5017629), (6, 3345086), (12, 1672543), (31, 647436), (62, 323718), (93, 215812), (124, 161859), (163, 123132), (186, 107906), (326, 61566), (331, 60636), (372, 53953), (489, 41044), (652, 30783), (662, 30318), (978, 20522), (993, 20212), (1324, 15159), (1956, 10261), (1986, 10106), (3972, 5053)]