20901672

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 66816000

約数和(自身を除く): 45914328

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 88, 99, 108, 114, 132, 152, 171, 198, 209, 216, 228, 264, 297, 342, 396, 418, 456, 463, 513, 594, 627, 684, 792, 836, 926, 1026, 1188, 1254, 1368, 1389, 1672, 1852, 1881, 2052, 2376, 2508, 2778, 3704, 3762, 4104, 4167, 5016, 5093, 5556, 5643, 7524, 8334, 8797, 10186, 11112, 11286, 12501, 15048, 15279, 16668, 17594, 20372, 22572, 25002, 26391, 30558, 33336, 35188, 40744, 45144, 45837, 50004, 52782, 61116, 70376, 79173, 91674, 96767, 100008, 105564, 122232, 137511, 158346, 183348, 193534, 211128, 237519, 275022, 290301, 316692, 366696, 387068, 475038, 550044, 580602, 633384, 774136, 870903, 950076, 1100088, 1161204, 1741806, 1900152, 2322408, 2612709, 3483612, 5225418, 6967224, 10450836, 20901672]

約数ペア:

[(1, 20901672), (2, 10450836), (3, 6967224), (4, 5225418), (6, 3483612), (8, 2612709), (9, 2322408), (11, 1900152), (12, 1741806), (18, 1161204), (19, 1100088), (22, 950076), (24, 870903), (27, 774136), (33, 633384), (36, 580602), (38, 550044), (44, 475038), (54, 387068), (57, 366696), (66, 316692), (72, 290301), (76, 275022), (88, 237519), (99, 211128), (108, 193534), (114, 183348), (132, 158346), (152, 137511), (171, 122232), (198, 105564), (209, 100008), (216, 96767), (228, 91674), (264, 79173), (297, 70376), (342, 61116), (396, 52782), (418, 50004), (456, 45837), (463, 45144), (513, 40744), (594, 35188), (627, 33336), (684, 30558), (792, 26391), (836, 25002), (926, 22572), (1026, 20372), (1188, 17594), (1254, 16668), (1368, 15279), (1389, 15048), (1672, 12501), (1852, 11286), (1881, 11112), (2052, 10186), (2376, 8797), (2508, 8334), (2778, 7524), (3704, 5643), (3762, 5556), (4104, 5093), (4167, 5016)]