20777316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 58490880

約数和(自身を除く): 37713564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 79, 84, 93, 101, 124, 158, 186, 202, 217, 237, 303, 316, 372, 404, 434, 474, 553, 606, 651, 707, 868, 948, 1106, 1212, 1302, 1414, 1659, 2121, 2212, 2449, 2604, 2828, 3131, 3318, 4242, 4898, 6262, 6636, 7347, 7979, 8484, 9393, 9796, 12524, 14694, 15958, 17143, 18786, 21917, 23937, 29388, 31916, 34286, 37572, 43834, 47874, 51429, 55853, 65751, 68572, 87668, 95748, 102858, 111706, 131502, 167559, 205716, 223412, 247349, 263004, 335118, 494698, 670236, 742047, 989396, 1484094, 1731443, 2968188, 3462886, 5194329, 6925772, 10388658, 20777316]

約数ペア:

[(1, 20777316), (2, 10388658), (3, 6925772), (4, 5194329), (6, 3462886), (7, 2968188), (12, 1731443), (14, 1484094), (21, 989396), (28, 742047), (31, 670236), (42, 494698), (62, 335118), (79, 263004), (84, 247349), (93, 223412), (101, 205716), (124, 167559), (158, 131502), (186, 111706), (202, 102858), (217, 95748), (237, 87668), (303, 68572), (316, 65751), (372, 55853), (404, 51429), (434, 47874), (474, 43834), (553, 37572), (606, 34286), (651, 31916), (707, 29388), (868, 23937), (948, 21917), (1106, 18786), (1212, 17143), (1302, 15958), (1414, 14694), (1659, 12524), (2121, 9796), (2212, 9393), (2449, 8484), (2604, 7979), (2828, 7347), (3131, 6636), (3318, 6262), (4242, 4898)]