20177095520

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{272369}}^1$

素因数の和:272847

約数の個数: 48

約数和(自身を含む): 47771519040

約数和(自身を除く): 27594423520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 14816, 18520, 37040, 74080, 272369, 544738, 1089476, 1361845, 2178952, 2723690, 4357904, 5447380, 8715808, 10894760, 21789520, 43579040, 126106847, 252213694, 504427388, 630534235, 1008854776, 1261068470, 2017709552, 2522136940, 4035419104, 5044273880, 10088547760, 20177095520]

約数ペア:

[(1, 20177095520), (2, 10088547760), (4, 5044273880), (5, 4035419104), (8, 2522136940), (10, 2017709552), (16, 1261068470), (20, 1008854776), (32, 630534235), (40, 504427388), (80, 252213694), (160, 126106847), (463, 43579040), (926, 21789520), (1852, 10894760), (2315, 8715808), (3704, 5447380), (4630, 4357904), (7408, 2723690), (9260, 2178952), (14816, 1361845), (18520, 1089476), (37040, 544738), (74080, 272369)]