20758600

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 48568320

約数和(自身を除く): 27809720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 383, 542, 766, 1084, 1355, 1532, 1915, 2168, 2710, 3064, 3830, 5420, 6775, 7660, 9575, 10840, 13550, 15320, 19150, 27100, 38300, 54200, 76600, 103793, 207586, 415172, 518965, 830344, 1037930, 2075860, 2594825, 4151720, 5189650, 10379300, 20758600]

約数ペア:

[(1, 20758600), (2, 10379300), (4, 5189650), (5, 4151720), (8, 2594825), (10, 2075860), (20, 1037930), (25, 830344), (40, 518965), (50, 415172), (100, 207586), (200, 103793), (271, 76600), (383, 54200), (542, 38300), (766, 27100), (1084, 19150), (1355, 15320), (1532, 13550), (1915, 10840), (2168, 9575), (2710, 7660), (3064, 6775), (3830, 5420)]