20120876988

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{163409}}^1$

素因数の和:163778

約数の個数: 48

約数和(自身を含む): 48609899520

約数和(自身を除く): 28489022532

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 331, 372, 662, 993, 1324, 1986, 3972, 10261, 20522, 30783, 41044, 61566, 123132, 163409, 326818, 490227, 653636, 980454, 1960908, 5065679, 10131358, 15197037, 20262716, 30394074, 54088379, 60788148, 108176758, 162265137, 216353516, 324530274, 649060548, 1676739749, 3353479498, 5030219247, 6706958996, 10060438494, 20120876988]

約数ペア:

[(1, 20120876988), (2, 10060438494), (3, 6706958996), (4, 5030219247), (6, 3353479498), (12, 1676739749), (31, 649060548), (62, 324530274), (93, 216353516), (124, 162265137), (186, 108176758), (331, 60788148), (372, 54088379), (662, 30394074), (993, 20262716), (1324, 15197037), (1986, 10131358), (3972, 5065679), (10261, 1960908), (20522, 980454), (30783, 653636), (41044, 490227), (61566, 326818), (123132, 163409)]