20487450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 51532416

約数和(自身を除く): 31044966

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1871, 2190, 3650, 3742, 5475, 5613, 9355, 10950, 11226, 18710, 28065, 46775, 56130, 93550, 136583, 140325, 273166, 280650, 409749, 682915, 819498, 1365830, 2048745, 3414575, 4097490, 6829150, 10243725, 20487450]

約数ペア:

[(1, 20487450), (2, 10243725), (3, 6829150), (5, 4097490), (6, 3414575), (10, 2048745), (15, 1365830), (25, 819498), (30, 682915), (50, 409749), (73, 280650), (75, 273166), (146, 140325), (150, 136583), (219, 93550), (365, 56130), (438, 46775), (730, 28065), (1095, 18710), (1825, 11226), (1871, 10950), (2190, 9355), (3650, 5613), (3742, 5475)]