20728811088

素因数分解:

$2^4\times 3^4\times {\mathrm{23}}^1\times {\mathrm{695411}}^1$

素因数の和:695454

約数の個数: 100

約数和(自身を含む): 62603769888

約数和(自身を除く): 41874958800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 276, 324, 368, 414, 432, 552, 621, 648, 828, 1104, 1242, 1296, 1656, 1863, 2484, 3312, 3726, 4968, 7452, 9936, 14904, 29808, 695411, 1390822, 2086233, 2781644, 4172466, 5563288, 6258699, 8344932, 11126576, 12517398, 15994453, 16689864, 18776097, 25034796, 31988906, 33379728, 37552194, 47983359, 50069592, 56328291, 63977812, 75104388, 95966718, 100139184, 112656582, 127955624, 143950077, 150208776, 191933436, 225313164, 255911248, 287900154, 300417552, 383866872, 431850231, 450626328, 575800308, 767733744, 863700462, 901252656, 1151600616, 1295550693, 1727400924, 2303201232, 2591101386, 3454801848, 5182202772, 6909603696, 10364405544, 20728811088]

約数ペア:

[(1, 20728811088), (2, 10364405544), (3, 6909603696), (4, 5182202772), (6, 3454801848), (8, 2591101386), (9, 2303201232), (12, 1727400924), (16, 1295550693), (18, 1151600616), (23, 901252656), (24, 863700462), (27, 767733744), (36, 575800308), (46, 450626328), (48, 431850231), (54, 383866872), (69, 300417552), (72, 287900154), (81, 255911248), (92, 225313164), (108, 191933436), (138, 150208776), (144, 143950077), (162, 127955624), (184, 112656582), (207, 100139184), (216, 95966718), (276, 75104388), (324, 63977812), (368, 56328291), (414, 50069592), (432, 47983359), (552, 37552194), (621, 33379728), (648, 31988906), (828, 25034796), (1104, 18776097), (1242, 16689864), (1296, 15994453), (1656, 12517398), (1863, 11126576), (2484, 8344932), (3312, 6258699), (3726, 5563288), (4968, 4172466), (7452, 2781644), (9936, 2086233), (14904, 1390822), (29808, 695411)]