20210307205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{73243}}^1$

素因数の和:73461

約数の個数: 32

約数和(自身を含む): 27528024960

約数和(自身を除く): 7317717755

約数列:

[1, 5, 11, 29, 55, 145, 173, 319, 865, 1595, 1903, 5017, 9515, 25085, 55187, 73243, 275935, 366215, 805673, 2124047, 4028365, 10620235, 12671039, 23364517, 63355195, 116822585, 139381429, 367460131, 696907145, 1837300655, 4042061441, 20210307205]

約数ペア:

[(1, 20210307205), (5, 4042061441), (11, 1837300655), (29, 696907145), (55, 367460131), (145, 139381429), (173, 116822585), (319, 63355195), (865, 23364517), (1595, 12671039), (1903, 10620235), (5017, 4028365), (9515, 2124047), (25085, 805673), (55187, 366215), (73243, 275935)]