20210121970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5839}}^1\times {\mathrm{18217}}^1$

素因数の和:24082

約数の個数: 32

約数和(自身を含む): 38301523200

約数和(自身を除く): 18091401230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 5839, 11678, 18217, 29195, 36434, 58390, 91085, 110941, 182170, 221882, 346123, 554705, 692246, 1109410, 1730615, 3461230, 106369063, 212738126, 531845315, 1063690630, 2021012197, 4042024394, 10105060985, 20210121970]

約数ペア:

[(1, 20210121970), (2, 10105060985), (5, 4042024394), (10, 2021012197), (19, 1063690630), (38, 531845315), (95, 212738126), (190, 106369063), (5839, 3461230), (11678, 1730615), (18217, 1109410), (29195, 692246), (36434, 554705), (58390, 346123), (91085, 221882), (110941, 182170)]