20121309126

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{197117}}^1$

素因数の和:197285

約数の個数: 48

約数和(自身を含む): 44834094864

約数和(自身を除く): 24712785738

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 107, 159, 214, 318, 321, 477, 642, 954, 963, 1926, 5671, 11342, 17013, 34026, 51039, 102078, 197117, 394234, 591351, 1182702, 1774053, 3548106, 10447201, 20894402, 21091519, 31341603, 42183038, 62683206, 63274557, 94024809, 126549114, 188049618, 189823671, 379647342, 1117850507, 2235701014, 3353551521, 6707103042, 10060654563, 20121309126]

約数ペア:

[(1, 20121309126), (2, 10060654563), (3, 6707103042), (6, 3353551521), (9, 2235701014), (18, 1117850507), (53, 379647342), (106, 189823671), (107, 188049618), (159, 126549114), (214, 94024809), (318, 63274557), (321, 62683206), (477, 42183038), (642, 31341603), (954, 21091519), (963, 20894402), (1926, 10447201), (5671, 3548106), (11342, 1774053), (17013, 1182702), (34026, 591351), (51039, 394234), (102078, 197117)]