20825136

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 63370944

約数和(自身を除く): 42545808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 47, 48, 51, 68, 72, 94, 102, 136, 141, 144, 153, 181, 188, 204, 272, 282, 306, 362, 376, 408, 423, 543, 564, 612, 724, 752, 799, 816, 846, 1086, 1128, 1224, 1448, 1598, 1629, 1692, 2172, 2256, 2397, 2448, 2896, 3077, 3196, 3258, 3384, 4344, 4794, 6154, 6392, 6516, 6768, 7191, 8507, 8688, 9231, 9588, 12308, 12784, 13032, 14382, 17014, 18462, 19176, 24616, 25521, 26064, 27693, 28764, 34028, 36924, 38352, 49232, 51042, 55386, 57528, 68056, 73848, 76563, 102084, 110772, 115056, 136112, 144619, 147696, 153126, 204168, 221544, 289238, 306252, 408336, 433857, 443088, 578476, 612504, 867714, 1156952, 1225008, 1301571, 1735428, 2313904, 2603142, 3470856, 5206284, 6941712, 10412568, 20825136]

約数ペア:

[(1, 20825136), (2, 10412568), (3, 6941712), (4, 5206284), (6, 3470856), (8, 2603142), (9, 2313904), (12, 1735428), (16, 1301571), (17, 1225008), (18, 1156952), (24, 867714), (34, 612504), (36, 578476), (47, 443088), (48, 433857), (51, 408336), (68, 306252), (72, 289238), (94, 221544), (102, 204168), (136, 153126), (141, 147696), (144, 144619), (153, 136112), (181, 115056), (188, 110772), (204, 102084), (272, 76563), (282, 73848), (306, 68056), (362, 57528), (376, 55386), (408, 51042), (423, 49232), (543, 38352), (564, 36924), (612, 34028), (724, 28764), (752, 27693), (799, 26064), (816, 25521), (846, 24616), (1086, 19176), (1128, 18462), (1224, 17014), (1448, 14382), (1598, 13032), (1629, 12784), (1692, 12308), (2172, 9588), (2256, 9231), (2397, 8688), (2448, 8507), (2896, 7191), (3077, 6768), (3196, 6516), (3258, 6392), (3384, 6154), (4344, 4794)]