20030229505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4021}}^1\times {\mathrm{6967}}^1$

素因数の和:11017

約数の個数: 32

約数和(自身を含む): 28249498368

約数和(自身を除く): 8219268863

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 4021, 6967, 20105, 34835, 44231, 52273, 76637, 90571, 221155, 261365, 383185, 452855, 575003, 996281, 2875015, 4981405, 28014307, 140071535, 308157377, 364185991, 1540786885, 1820929955, 4006045901, 20030229505]

約数ペア:

[(1, 20030229505), (5, 4006045901), (11, 1820929955), (13, 1540786885), (55, 364185991), (65, 308157377), (143, 140071535), (715, 28014307), (4021, 4981405), (6967, 2875015), (20105, 996281), (34835, 575003), (44231, 452855), (52273, 383185), (76637, 261365), (90571, 221155)]