20708400390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1912133}}^1$

素因数の和:1912181

約数の個数: 48

約数和(自身を含む): 52453659888

約数和(自身を除く): 31745259498

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 2166, 3610, 5415, 10830, 1912133, 3824266, 5736399, 9560665, 11472798, 19121330, 28681995, 36330527, 57363990, 72661054, 108991581, 181652635, 217983162, 363305270, 544957905, 690280013, 1089915810, 1380560026, 2070840039, 3451400065, 4141680078, 6902800130, 10354200195, 20708400390]

約数ペア:

[(1, 20708400390), (2, 10354200195), (3, 6902800130), (5, 4141680078), (6, 3451400065), (10, 2070840039), (15, 1380560026), (19, 1089915810), (30, 690280013), (38, 544957905), (57, 363305270), (95, 217983162), (114, 181652635), (190, 108991581), (285, 72661054), (361, 57363990), (570, 36330527), (722, 28681995), (1083, 19121330), (1805, 11472798), (2166, 9560665), (3610, 5736399), (5415, 3824266), (10830, 1912133)]