20915304

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51263}}^1$

素因数の和:51289

約数の個数: 32

約数和(自身を含む): 55365120

約数和(自身を除く): 34449816

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51263, 102526, 153789, 205052, 307578, 410104, 615156, 871471, 1230312, 1742942, 2614413, 3485884, 5228826, 6971768, 10457652, 20915304]

約数ペア:

[(1, 20915304), (2, 10457652), (3, 6971768), (4, 5228826), (6, 3485884), (8, 2614413), (12, 1742942), (17, 1230312), (24, 871471), (34, 615156), (51, 410104), (68, 307578), (102, 205052), (136, 153789), (204, 102526), (408, 51263)]