202014920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82793}}^1$

素因数の和:82865

約数の個数: 32

約数和(自身を含む): 461990520

約数和(自身を除く): 259975600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82793, 165586, 331172, 413965, 662344, 827930, 1655860, 3311720, 5050373, 10100746, 20201492, 25251865, 40402984, 50503730, 101007460, 202014920]

約数ペア:

[(1, 202014920), (2, 101007460), (4, 50503730), (5, 40402984), (8, 25251865), (10, 20201492), (20, 10100746), (40, 5050373), (61, 3311720), (122, 1655860), (244, 827930), (305, 662344), (488, 413965), (610, 331172), (1220, 165586), (2440, 82793)]