20176905940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2580167}}^1$

素因数の和:2580216

約数の個数: 48

約数和(自身を含む): 46814568192

約数和(自身を除く): 26637662252

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2580167, 5160334, 10320668, 12900835, 25801670, 43862839, 51603340, 59343841, 87725678, 118687682, 175451356, 219314195, 237375364, 296719205, 438628390, 593438410, 877256780, 1008845297, 1186876820, 2017690594, 4035381188, 5044226485, 10088452970, 20176905940]

約数ペア:

[(1, 20176905940), (2, 10088452970), (4, 5044226485), (5, 4035381188), (10, 2017690594), (17, 1186876820), (20, 1008845297), (23, 877256780), (34, 593438410), (46, 438628390), (68, 296719205), (85, 237375364), (92, 219314195), (115, 175451356), (170, 118687682), (230, 87725678), (340, 59343841), (391, 51603340), (460, 43862839), (782, 25801670), (1564, 12900835), (1955, 10320668), (3910, 5160334), (7820, 2580167)]