20560750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 45527040

約数和(自身を除く): 24966290

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 155, 175, 217, 250, 310, 350, 379, 434, 758, 775, 875, 1085, 1550, 1750, 1895, 2170, 2653, 3790, 3875, 5306, 5425, 7750, 9475, 10850, 11749, 13265, 18950, 23498, 26530, 27125, 47375, 54250, 58745, 66325, 82243, 94750, 117490, 132650, 164486, 293725, 331625, 411215, 587450, 663250, 822430, 1468625, 2056075, 2937250, 4112150, 10280375, 20560750]

約数ペア:

[(1, 20560750), (2, 10280375), (5, 4112150), (7, 2937250), (10, 2056075), (14, 1468625), (25, 822430), (31, 663250), (35, 587450), (50, 411215), (62, 331625), (70, 293725), (125, 164486), (155, 132650), (175, 117490), (217, 94750), (250, 82243), (310, 66325), (350, 58745), (379, 54250), (434, 47375), (758, 27125), (775, 26530), (875, 23498), (1085, 18950), (1550, 13265), (1750, 11749), (1895, 10850), (2170, 9475), (2653, 7750), (3790, 5425), (3875, 5306)]