202399220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{165901}}^1$

素因数の和:165971

約数の個数: 24

約数和(自身を含む): 432008808

約数和(自身を除く): 229609588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 165901, 331802, 663604, 829505, 1659010, 3318020, 10119961, 20239922, 40479844, 50599805, 101199610, 202399220]

約数ペア:

[(1, 202399220), (2, 101199610), (4, 50599805), (5, 40479844), (10, 20239922), (20, 10119961), (61, 3318020), (122, 1659010), (244, 829505), (305, 663604), (610, 331802), (1220, 165901)]