20121479972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{4357}}^1\times {\mathrm{104959}}^1$

素因数の和:109331

約数の個数: 24

約数和(自身を含む): 38422917120

約数和(自身を除く): 18301437148

約数列:

[1, 2, 4, 11, 22, 44, 4357, 8714, 17428, 47927, 95854, 104959, 191708, 209918, 419836, 1154549, 2309098, 4618196, 457306363, 914612726, 1829225452, 5030369993, 10060739986, 20121479972]

約数ペア:

[(1, 20121479972), (2, 10060739986), (4, 5030369993), (11, 1829225452), (22, 914612726), (44, 457306363), (4357, 4618196), (8714, 2309098), (17428, 1154549), (47927, 419836), (95854, 209918), (104959, 191708)]