20156300

素因数分解:

$2^2\times 5^2\times {\mathrm{353}}^1\times {\mathrm{571}}^1$

素因数の和:938

約数の個数: 36

約数和(自身を含む): 43939896

約数和(自身を除く): 23783596

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 353, 571, 706, 1142, 1412, 1765, 2284, 2855, 3530, 5710, 7060, 8825, 11420, 14275, 17650, 28550, 35300, 57100, 201563, 403126, 806252, 1007815, 2015630, 4031260, 5039075, 10078150, 20156300]

約数ペア:

[(1, 20156300), (2, 10078150), (4, 5039075), (5, 4031260), (10, 2015630), (20, 1007815), (25, 806252), (50, 403126), (100, 201563), (353, 57100), (571, 35300), (706, 28550), (1142, 17650), (1412, 14275), (1765, 11420), (2284, 8825), (2855, 7060), (3530, 5710)]