20516460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14867}}^1$

素因数の和:14902

約数の個数: 48

約数和(自身を含む): 59947776

約数和(自身を除く): 39431316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14867, 29734, 44601, 59468, 74335, 89202, 148670, 178404, 223005, 297340, 341941, 446010, 683882, 892020, 1025823, 1367764, 1709705, 2051646, 3419410, 4103292, 5129115, 6838820, 10258230, 20516460]

約数ペア:

[(1, 20516460), (2, 10258230), (3, 6838820), (4, 5129115), (5, 4103292), (6, 3419410), (10, 2051646), (12, 1709705), (15, 1367764), (20, 1025823), (23, 892020), (30, 683882), (46, 446010), (60, 341941), (69, 297340), (92, 223005), (115, 178404), (138, 148670), (230, 89202), (276, 74335), (345, 59468), (460, 44601), (690, 29734), (1380, 14867)]