20801808

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7603}}^1$

素因数の和:7636

約数の個数: 60

約数和(自身を含む): 61288240

約数和(自身を除く): 40486432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7603, 15206, 22809, 30412, 45618, 60824, 68427, 91236, 121648, 136854, 144457, 182472, 273708, 288914, 364944, 433371, 547416, 577828, 866742, 1094832, 1155656, 1300113, 1733484, 2311312, 2600226, 3466968, 5200452, 6933936, 10400904, 20801808]

約数ペア:

[(1, 20801808), (2, 10400904), (3, 6933936), (4, 5200452), (6, 3466968), (8, 2600226), (9, 2311312), (12, 1733484), (16, 1300113), (18, 1155656), (19, 1094832), (24, 866742), (36, 577828), (38, 547416), (48, 433371), (57, 364944), (72, 288914), (76, 273708), (114, 182472), (144, 144457), (152, 136854), (171, 121648), (228, 91236), (304, 68427), (342, 60824), (456, 45618), (684, 30412), (912, 22809), (1368, 15206), (2736, 7603)]