20138261025

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{381949}}^1$

素因数の和:382018

約数の個数: 48

約数和(自身を含む): 35994968000

約数和(自身を除く): 15856706975

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 555, 703, 925, 1425, 2109, 2775, 3515, 10545, 17575, 52725, 381949, 1145847, 1909745, 5729235, 7257031, 9548725, 14132113, 21771093, 28646175, 36285155, 42396339, 70660565, 108855465, 181425775, 211981695, 268510147, 353302825, 544277325, 805530441, 1059908475, 1342550735, 4027652205, 6712753675, 20138261025]

約数ペア:

[(1, 20138261025), (3, 6712753675), (5, 4027652205), (15, 1342550735), (19, 1059908475), (25, 805530441), (37, 544277325), (57, 353302825), (75, 268510147), (95, 211981695), (111, 181425775), (185, 108855465), (285, 70660565), (475, 42396339), (555, 36285155), (703, 28646175), (925, 21771093), (1425, 14132113), (2109, 9548725), (2775, 7257031), (3515, 5729235), (10545, 1909745), (17575, 1145847), (52725, 381949)]