20883350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 40684896

約数和(自身を除く): 19801546

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 167, 205, 305, 334, 410, 610, 835, 1025, 1525, 1670, 2050, 2501, 3050, 4175, 5002, 6847, 8350, 10187, 12505, 13694, 20374, 25010, 34235, 50935, 62525, 68470, 101870, 125050, 171175, 254675, 342350, 417667, 509350, 835334, 2088335, 4176670, 10441675, 20883350]

約数ペア:

[(1, 20883350), (2, 10441675), (5, 4176670), (10, 2088335), (25, 835334), (41, 509350), (50, 417667), (61, 342350), (82, 254675), (122, 171175), (167, 125050), (205, 101870), (305, 68470), (334, 62525), (410, 50935), (610, 34235), (835, 25010), (1025, 20374), (1525, 13694), (1670, 12505), (2050, 10187), (2501, 8350), (3050, 6847), (4175, 5002)]