20929275

素因数分解:

$3^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 37778832

約数和(自身を除く): 16849557

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 167, 225, 501, 557, 835, 1503, 1671, 2505, 2785, 4175, 5013, 7515, 8355, 12525, 13925, 25065, 37575, 41775, 93019, 125325, 279057, 465095, 837171, 1395285, 2325475, 4185855, 6976425, 20929275]

約数ペア:

[(1, 20929275), (3, 6976425), (5, 4185855), (9, 2325475), (15, 1395285), (25, 837171), (45, 465095), (75, 279057), (167, 125325), (225, 93019), (501, 41775), (557, 37575), (835, 25065), (1503, 13925), (1671, 12525), (2505, 8355), (2785, 7515), (4175, 5013)]