20845950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4483}}^1$

素因数の和:4529

約数の個数: 48

約数和(自身を含む): 53377536

約数和(自身を除く): 32531586

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4483, 4650, 8966, 13449, 22415, 26898, 44830, 67245, 112075, 134490, 138973, 224150, 277946, 336225, 416919, 672450, 694865, 833838, 1389730, 2084595, 3474325, 4169190, 6948650, 10422975, 20845950]

約数ペア:

[(1, 20845950), (2, 10422975), (3, 6948650), (5, 4169190), (6, 3474325), (10, 2084595), (15, 1389730), (25, 833838), (30, 694865), (31, 672450), (50, 416919), (62, 336225), (75, 277946), (93, 224150), (150, 138973), (155, 134490), (186, 112075), (310, 67245), (465, 44830), (775, 26898), (930, 22415), (1550, 13449), (2325, 8966), (4483, 4650)]