20439912

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 53544960

約数和(自身を除く): 33105048

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 83, 93, 124, 166, 186, 248, 249, 331, 332, 372, 498, 662, 664, 744, 993, 996, 1324, 1986, 1992, 2573, 2648, 3972, 5146, 7719, 7944, 10261, 10292, 15438, 20522, 20584, 27473, 30783, 30876, 41044, 54946, 61566, 61752, 82088, 82419, 109892, 123132, 164838, 219784, 246264, 329676, 659352, 851663, 1703326, 2554989, 3406652, 5109978, 6813304, 10219956, 20439912]

約数ペア:

[(1, 20439912), (2, 10219956), (3, 6813304), (4, 5109978), (6, 3406652), (8, 2554989), (12, 1703326), (24, 851663), (31, 659352), (62, 329676), (83, 246264), (93, 219784), (124, 164838), (166, 123132), (186, 109892), (248, 82419), (249, 82088), (331, 61752), (332, 61566), (372, 54946), (498, 41044), (662, 30876), (664, 30783), (744, 27473), (993, 20584), (996, 20522), (1324, 15438), (1986, 10292), (1992, 10261), (2573, 7944), (2648, 7719), (3972, 5146)]