20783953168

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15271}}^1$

素因数の和:15357

約数の個数: 120

約数和(自身を含む): 47854506560

約数和(自身を除く): 27070553392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 121, 148, 152, 176, 209, 242, 296, 304, 407, 418, 484, 592, 703, 814, 836, 968, 1406, 1628, 1672, 1936, 2299, 2812, 3256, 3344, 4477, 4598, 5624, 6512, 7733, 8954, 9196, 11248, 15271, 15466, 17908, 18392, 30542, 30932, 35816, 36784, 61084, 61864, 71632, 85063, 122168, 123728, 167981, 170126, 244336, 290149, 335962, 340252, 565027, 580298, 671924, 680504, 1130054, 1160596, 1343848, 1361008, 1847791, 2260108, 2321192, 2687696, 3191639, 3695582, 4520216, 4642384, 6215297, 6383278, 7391164, 9040432, 10735513, 12430594, 12766556, 14782328, 21471026, 24861188, 25533112, 29564656, 35108029, 42942052, 49722376, 51066224, 68368267, 70216058, 85884104, 99444752, 118090643, 136736534, 140432116, 171768208, 236181286, 273473068, 280864232, 472362572, 546946136, 561728464, 944725144, 1093892272, 1298997073, 1889450288, 2597994146, 5195988292, 10391976584, 20783953168]

約数ペア:

[(1, 20783953168), (2, 10391976584), (4, 5195988292), (8, 2597994146), (11, 1889450288), (16, 1298997073), (19, 1093892272), (22, 944725144), (37, 561728464), (38, 546946136), (44, 472362572), (74, 280864232), (76, 273473068), (88, 236181286), (121, 171768208), (148, 140432116), (152, 136736534), (176, 118090643), (209, 99444752), (242, 85884104), (296, 70216058), (304, 68368267), (407, 51066224), (418, 49722376), (484, 42942052), (592, 35108029), (703, 29564656), (814, 25533112), (836, 24861188), (968, 21471026), (1406, 14782328), (1628, 12766556), (1672, 12430594), (1936, 10735513), (2299, 9040432), (2812, 7391164), (3256, 6383278), (3344, 6215297), (4477, 4642384), (4598, 4520216), (5624, 3695582), (6512, 3191639), (7733, 2687696), (8954, 2321192), (9196, 2260108), (11248, 1847791), (15271, 1361008), (15466, 1343848), (17908, 1160596), (18392, 1130054), (30542, 680504), (30932, 671924), (35816, 580298), (36784, 565027), (61084, 340252), (61864, 335962), (71632, 290149), (85063, 244336), (122168, 170126), (123728, 167981)]