20176184480

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1519291}}^1$

素因数の和:1519389

約数の個数: 48

約数和(自身を含む): 48240559584

約数和(自身を除く): 28064375104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 1519291, 3038582, 6077164, 7596455, 12154328, 15192910, 24308656, 30385820, 48617312, 60771640, 121543280, 126101153, 243086560, 252202306, 504404612, 630505765, 1008809224, 1261011530, 2017618448, 2522023060, 4035236896, 5044046120, 10088092240, 20176184480]

約数ペア:

[(1, 20176184480), (2, 10088092240), (4, 5044046120), (5, 4035236896), (8, 2522023060), (10, 2017618448), (16, 1261011530), (20, 1008809224), (32, 630505765), (40, 504404612), (80, 252202306), (83, 243086560), (160, 126101153), (166, 121543280), (332, 60771640), (415, 48617312), (664, 30385820), (830, 24308656), (1328, 15192910), (1660, 12154328), (2656, 7596455), (3320, 6077164), (6640, 3038582), (13280, 1519291)]