20785392

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 62674560

約数和(自身を除く): 41889168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 71, 72, 76, 107, 114, 142, 144, 152, 171, 213, 214, 228, 284, 304, 321, 342, 426, 428, 456, 568, 639, 642, 684, 852, 856, 912, 963, 1136, 1278, 1284, 1349, 1368, 1704, 1712, 1926, 2033, 2556, 2568, 2698, 2736, 3408, 3852, 4047, 4066, 5112, 5136, 5396, 6099, 7597, 7704, 8094, 8132, 10224, 10792, 12141, 12198, 15194, 15408, 16188, 16264, 18297, 21584, 22791, 24282, 24396, 30388, 32376, 32528, 36594, 45582, 48564, 48792, 60776, 64752, 68373, 73188, 91164, 97128, 97584, 121552, 136746, 144343, 146376, 182328, 194256, 273492, 288686, 292752, 364656, 433029, 546984, 577372, 866058, 1093968, 1154744, 1299087, 1732116, 2309488, 2598174, 3464232, 5196348, 6928464, 10392696, 20785392]

約数ペア:

[(1, 20785392), (2, 10392696), (3, 6928464), (4, 5196348), (6, 3464232), (8, 2598174), (9, 2309488), (12, 1732116), (16, 1299087), (18, 1154744), (19, 1093968), (24, 866058), (36, 577372), (38, 546984), (48, 433029), (57, 364656), (71, 292752), (72, 288686), (76, 273492), (107, 194256), (114, 182328), (142, 146376), (144, 144343), (152, 136746), (171, 121552), (213, 97584), (214, 97128), (228, 91164), (284, 73188), (304, 68373), (321, 64752), (342, 60776), (426, 48792), (428, 48564), (456, 45582), (568, 36594), (639, 32528), (642, 32376), (684, 30388), (852, 24396), (856, 24282), (912, 22791), (963, 21584), (1136, 18297), (1278, 16264), (1284, 16188), (1349, 15408), (1368, 15194), (1704, 12198), (1712, 12141), (1926, 10792), (2033, 10224), (2556, 8132), (2568, 8094), (2698, 7704), (2736, 7597), (3408, 6099), (3852, 5396), (4047, 5136), (4066, 5112)]