20835144

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 66211200

約数和(自身を除く): 45376056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 37, 44, 54, 66, 72, 74, 79, 81, 88, 99, 108, 111, 132, 148, 158, 162, 198, 216, 222, 237, 264, 296, 297, 316, 324, 333, 396, 407, 444, 474, 594, 632, 648, 666, 711, 792, 814, 869, 888, 891, 948, 999, 1188, 1221, 1332, 1422, 1628, 1738, 1782, 1896, 1998, 2133, 2376, 2442, 2607, 2664, 2844, 2923, 2997, 3256, 3476, 3564, 3663, 3996, 4266, 4884, 5214, 5688, 5846, 5994, 6399, 6952, 7128, 7326, 7821, 7992, 8532, 8769, 9768, 10428, 10989, 11692, 11988, 12798, 14652, 15642, 17064, 17538, 20856, 21978, 23384, 23463, 23976, 25596, 26307, 29304, 31284, 32153, 32967, 35076, 43956, 46926, 51192, 52614, 62568, 64306, 65934, 70152, 70389, 78921, 87912, 93852, 96459, 105228, 128612, 131868, 140778, 157842, 187704, 192918, 210456, 236763, 257224, 263736, 281556, 289377, 315684, 385836, 473526, 563112, 578754, 631368, 771672, 868131, 947052, 1157508, 1736262, 1894104, 2315016, 2604393, 3472524, 5208786, 6945048, 10417572, 20835144]

約数ペア:

[(1, 20835144), (2, 10417572), (3, 6945048), (4, 5208786), (6, 3472524), (8, 2604393), (9, 2315016), (11, 1894104), (12, 1736262), (18, 1157508), (22, 947052), (24, 868131), (27, 771672), (33, 631368), (36, 578754), (37, 563112), (44, 473526), (54, 385836), (66, 315684), (72, 289377), (74, 281556), (79, 263736), (81, 257224), (88, 236763), (99, 210456), (108, 192918), (111, 187704), (132, 157842), (148, 140778), (158, 131868), (162, 128612), (198, 105228), (216, 96459), (222, 93852), (237, 87912), (264, 78921), (296, 70389), (297, 70152), (316, 65934), (324, 64306), (333, 62568), (396, 52614), (407, 51192), (444, 46926), (474, 43956), (594, 35076), (632, 32967), (648, 32153), (666, 31284), (711, 29304), (792, 26307), (814, 25596), (869, 23976), (888, 23463), (891, 23384), (948, 21978), (999, 20856), (1188, 17538), (1221, 17064), (1332, 15642), (1422, 14652), (1628, 12798), (1738, 11988), (1782, 11692), (1896, 10989), (1998, 10428), (2133, 9768), (2376, 8769), (2442, 8532), (2607, 7992), (2664, 7821), (2844, 7326), (2923, 7128), (2997, 6952), (3256, 6399), (3476, 5994), (3564, 5846), (3663, 5688), (3996, 5214), (4266, 4884)]