20195784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 69494400

約数和(自身を除く): 49298616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 37, 38, 42, 54, 56, 57, 63, 72, 74, 76, 84, 108, 111, 114, 126, 133, 148, 152, 168, 171, 189, 216, 222, 228, 252, 259, 266, 296, 333, 342, 361, 378, 399, 444, 456, 504, 513, 518, 532, 666, 684, 703, 722, 756, 777, 798, 888, 999, 1026, 1036, 1064, 1083, 1197, 1332, 1368, 1406, 1444, 1512, 1554, 1596, 1998, 2052, 2072, 2109, 2166, 2331, 2394, 2527, 2664, 2812, 2888, 3108, 3192, 3249, 3591, 3996, 4104, 4218, 4332, 4662, 4788, 4921, 5054, 5624, 6216, 6327, 6498, 6993, 7182, 7581, 7992, 8436, 8664, 9324, 9576, 9747, 9842, 10108, 12654, 12996, 13357, 13986, 14364, 14763, 15162, 16872, 18648, 18981, 19494, 19684, 20216, 22743, 25308, 25992, 26714, 27972, 28728, 29526, 30324, 37962, 38988, 39368, 40071, 44289, 45486, 50616, 53428, 55944, 59052, 60648, 68229, 75924, 77976, 80142, 88578, 90972, 93499, 106856, 118104, 120213, 132867, 136458, 151848, 160284, 177156, 181944, 186998, 240426, 265734, 272916, 280497, 320568, 354312, 360639, 373996, 480852, 531468, 545832, 560994, 721278, 747992, 841491, 961704, 1062936, 1121988, 1442556, 1682982, 2243976, 2524473, 2885112, 3365964, 5048946, 6731928, 10097892, 20195784]

約数ペア:

[(1, 20195784), (2, 10097892), (3, 6731928), (4, 5048946), (6, 3365964), (7, 2885112), (8, 2524473), (9, 2243976), (12, 1682982), (14, 1442556), (18, 1121988), (19, 1062936), (21, 961704), (24, 841491), (27, 747992), (28, 721278), (36, 560994), (37, 545832), (38, 531468), (42, 480852), (54, 373996), (56, 360639), (57, 354312), (63, 320568), (72, 280497), (74, 272916), (76, 265734), (84, 240426), (108, 186998), (111, 181944), (114, 177156), (126, 160284), (133, 151848), (148, 136458), (152, 132867), (168, 120213), (171, 118104), (189, 106856), (216, 93499), (222, 90972), (228, 88578), (252, 80142), (259, 77976), (266, 75924), (296, 68229), (333, 60648), (342, 59052), (361, 55944), (378, 53428), (399, 50616), (444, 45486), (456, 44289), (504, 40071), (513, 39368), (518, 38988), (532, 37962), (666, 30324), (684, 29526), (703, 28728), (722, 27972), (756, 26714), (777, 25992), (798, 25308), (888, 22743), (999, 20216), (1026, 19684), (1036, 19494), (1064, 18981), (1083, 18648), (1197, 16872), (1332, 15162), (1368, 14763), (1406, 14364), (1444, 13986), (1512, 13357), (1554, 12996), (1596, 12654), (1998, 10108), (2052, 9842), (2072, 9747), (2109, 9576), (2166, 9324), (2331, 8664), (2394, 8436), (2527, 7992), (2664, 7581), (2812, 7182), (2888, 6993), (3108, 6498), (3192, 6327), (3249, 6216), (3591, 5624), (3996, 5054), (4104, 4921), (4218, 4788), (4332, 4662)]