20123350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 40903632

約数和(自身を除く): 20780282

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 373, 415, 650, 746, 830, 1079, 1865, 2075, 2158, 3730, 4150, 4849, 5395, 9325, 9698, 10790, 18650, 24245, 26975, 30959, 48490, 53950, 61918, 121225, 154795, 242450, 309590, 402467, 773975, 804934, 1547950, 2012335, 4024670, 10061675, 20123350]

約数ペア:

[(1, 20123350), (2, 10061675), (5, 4024670), (10, 2012335), (13, 1547950), (25, 804934), (26, 773975), (50, 402467), (65, 309590), (83, 242450), (130, 154795), (166, 121225), (325, 61918), (373, 53950), (415, 48490), (650, 30959), (746, 26975), (830, 24245), (1079, 18650), (1865, 10790), (2075, 9698), (2158, 9325), (3730, 5395), (4150, 4849)]