20225440

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 28164608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1523, 1660, 2656, 3046, 3320, 6092, 6640, 7615, 12184, 13280, 15230, 24368, 30460, 48736, 60920, 121840, 126409, 243680, 252818, 505636, 632045, 1011272, 1264090, 2022544, 2528180, 4045088, 5056360, 10112720, 20225440]

約数ペア:

[(1, 20225440), (2, 10112720), (4, 5056360), (5, 4045088), (8, 2528180), (10, 2022544), (16, 1264090), (20, 1011272), (32, 632045), (40, 505636), (80, 252818), (83, 243680), (160, 126409), (166, 121840), (332, 60920), (415, 48736), (664, 30460), (830, 24368), (1328, 15230), (1523, 13280), (1660, 12184), (2656, 7615), (3046, 6640), (3320, 6092)]