20563830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4663}}^1$

素因数の和:4690

約数の個数: 72

約数和(自身を含む): 62208432

約数和(自身を除く): 41644602

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4663, 9326, 13989, 23315, 27978, 32641, 41967, 46630, 65282, 69945, 83934, 97923, 139890, 163205, 195846, 209835, 228487, 293769, 326410, 419670, 456974, 489615, 587538, 685461, 979230, 1142435, 1370922, 1468845, 2056383, 2284870, 2937690, 3427305, 4112766, 6854610, 10281915, 20563830]

約数ペア:

[(1, 20563830), (2, 10281915), (3, 6854610), (5, 4112766), (6, 3427305), (7, 2937690), (9, 2284870), (10, 2056383), (14, 1468845), (15, 1370922), (18, 1142435), (21, 979230), (30, 685461), (35, 587538), (42, 489615), (45, 456974), (49, 419670), (63, 326410), (70, 293769), (90, 228487), (98, 209835), (105, 195846), (126, 163205), (147, 139890), (210, 97923), (245, 83934), (294, 69945), (315, 65282), (441, 46630), (490, 41967), (630, 32641), (735, 27978), (882, 23315), (1470, 13989), (2205, 9326), (4410, 4663)]