20408024

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 50544480

約数和(自身を除く): 30136456

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 97, 104, 119, 136, 182, 194, 221, 238, 289, 364, 388, 442, 476, 578, 679, 728, 776, 884, 952, 1156, 1261, 1358, 1547, 1649, 1768, 2023, 2312, 2522, 2716, 3094, 3298, 3757, 4046, 5044, 5432, 6188, 6596, 7514, 8092, 8827, 10088, 11543, 12376, 13192, 15028, 16184, 17654, 21437, 23086, 26299, 28033, 30056, 35308, 42874, 46172, 52598, 56066, 70616, 85748, 92344, 105196, 112132, 150059, 171496, 196231, 210392, 224264, 300118, 364429, 392462, 600236, 728858, 784924, 1200472, 1457716, 1569848, 2551003, 2915432, 5102006, 10204012, 20408024]

約数ペア:

[(1, 20408024), (2, 10204012), (4, 5102006), (7, 2915432), (8, 2551003), (13, 1569848), (14, 1457716), (17, 1200472), (26, 784924), (28, 728858), (34, 600236), (52, 392462), (56, 364429), (68, 300118), (91, 224264), (97, 210392), (104, 196231), (119, 171496), (136, 150059), (182, 112132), (194, 105196), (221, 92344), (238, 85748), (289, 70616), (364, 56066), (388, 52598), (442, 46172), (476, 42874), (578, 35308), (679, 30056), (728, 28033), (776, 26299), (884, 23086), (952, 21437), (1156, 17654), (1261, 16184), (1358, 15028), (1547, 13192), (1649, 12376), (1768, 11543), (2023, 10088), (2312, 8827), (2522, 8092), (2716, 7514), (3094, 6596), (3298, 6188), (3757, 5432), (4046, 5044)]