20239996

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 43388352

約数和(自身を除く): 23148356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 101, 119, 202, 238, 404, 421, 476, 707, 842, 1414, 1684, 1717, 2828, 2947, 3434, 5894, 6868, 7157, 11788, 12019, 14314, 24038, 28628, 42521, 48076, 50099, 85042, 100198, 170084, 200396, 297647, 595294, 722857, 1190588, 1445714, 2891428, 5059999, 10119998, 20239996]

約数ペア:

[(1, 20239996), (2, 10119998), (4, 5059999), (7, 2891428), (14, 1445714), (17, 1190588), (28, 722857), (34, 595294), (68, 297647), (101, 200396), (119, 170084), (202, 100198), (238, 85042), (404, 50099), (421, 48076), (476, 42521), (707, 28628), (842, 24038), (1414, 14314), (1684, 12019), (1717, 11788), (2828, 7157), (2947, 6868), (3434, 5894)]