20474856

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 80

約数和(自身を含む): 60403200

約数和(自身を除く): 39928344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1663, 2052, 3078, 3326, 4104, 4989, 6156, 6652, 9978, 12312, 13304, 14967, 19956, 29934, 31597, 39912, 44901, 59868, 63194, 89802, 94791, 119736, 126388, 134703, 179604, 189582, 252776, 269406, 284373, 359208, 379164, 538812, 568746, 758328, 853119, 1077624, 1137492, 1706238, 2274984, 2559357, 3412476, 5118714, 6824952, 10237428, 20474856]

約数ペア:

[(1, 20474856), (2, 10237428), (3, 6824952), (4, 5118714), (6, 3412476), (8, 2559357), (9, 2274984), (12, 1706238), (18, 1137492), (19, 1077624), (24, 853119), (27, 758328), (36, 568746), (38, 538812), (54, 379164), (57, 359208), (72, 284373), (76, 269406), (81, 252776), (108, 189582), (114, 179604), (152, 134703), (162, 126388), (171, 119736), (216, 94791), (228, 89802), (324, 63194), (342, 59868), (456, 44901), (513, 39912), (648, 31597), (684, 29934), (1026, 19956), (1368, 14967), (1539, 13304), (1663, 12312), (2052, 9978), (3078, 6652), (3326, 6156), (4104, 4989)]