20826420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11240

約数の個数: 48

約数和(自身を含む): 60200448

約数和(自身を除く): 39374028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11197, 22394, 33591, 44788, 55985, 67182, 111970, 134364, 167955, 223940, 335910, 347107, 671820, 694214, 1041321, 1388428, 1735535, 2082642, 3471070, 4165284, 5206605, 6942140, 10413210, 20826420]

約数ペア:

[(1, 20826420), (2, 10413210), (3, 6942140), (4, 5206605), (5, 4165284), (6, 3471070), (10, 2082642), (12, 1735535), (15, 1388428), (20, 1041321), (30, 694214), (31, 671820), (60, 347107), (62, 335910), (93, 223940), (124, 167955), (155, 134364), (186, 111970), (310, 67182), (372, 55985), (465, 44788), (620, 33591), (930, 22394), (1860, 11197)]