20125460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 44827776

約数和(自身を除く): 24702316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 653, 670, 1306, 1340, 1541, 2612, 3082, 3265, 6164, 6530, 7705, 13060, 15019, 15410, 30038, 30820, 43751, 60076, 75095, 87502, 150190, 175004, 218755, 300380, 437510, 875020, 1006273, 2012546, 4025092, 5031365, 10062730, 20125460]

約数ペア:

[(1, 20125460), (2, 10062730), (4, 5031365), (5, 4025092), (10, 2012546), (20, 1006273), (23, 875020), (46, 437510), (67, 300380), (92, 218755), (115, 175004), (134, 150190), (230, 87502), (268, 75095), (335, 60076), (460, 43751), (653, 30820), (670, 30038), (1306, 15410), (1340, 15019), (1541, 13060), (2612, 7705), (3082, 6530), (3265, 6164)]