20159950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21221}}^1$

素因数の和:21252

約数の個数: 24

約数和(自身を含む): 39472920

約数和(自身を除く): 19312970

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21221, 42442, 106105, 212210, 403199, 530525, 806398, 1061050, 2015995, 4031990, 10079975, 20159950]

約数ペア:

[(1, 20159950), (2, 10079975), (5, 4031990), (10, 2015995), (19, 1061050), (25, 806398), (38, 530525), (50, 403199), (95, 212210), (190, 106105), (475, 42442), (950, 21221)]