20011032

素因数分解:

$2^3\times 3^2\times {\mathrm{449}}^1\times {\mathrm{619}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 54405000

約数和(自身を除く): 34393968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 449, 619, 898, 1238, 1347, 1796, 1857, 2476, 2694, 3592, 3714, 4041, 4952, 5388, 5571, 7428, 8082, 10776, 11142, 14856, 16164, 22284, 32328, 44568, 277931, 555862, 833793, 1111724, 1667586, 2223448, 2501379, 3335172, 5002758, 6670344, 10005516, 20011032]

約数ペア:

[(1, 20011032), (2, 10005516), (3, 6670344), (4, 5002758), (6, 3335172), (8, 2501379), (9, 2223448), (12, 1667586), (18, 1111724), (24, 833793), (36, 555862), (72, 277931), (449, 44568), (619, 32328), (898, 22284), (1238, 16164), (1347, 14856), (1796, 11142), (1857, 10776), (2476, 8082), (2694, 7428), (3592, 5571), (3714, 5388), (4041, 4952)]