20249936920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1294753}}^1$

素因数の和:1294804

約数の個数: 64

約数和(自身を含む): 50340035520

約数和(自身を除く): 30090098600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 15640, 1294753, 2589506, 5179012, 6473765, 10358024, 12947530, 22010801, 25895060, 29779319, 44021602, 51790120, 59558638, 88043204, 110054005, 119117276, 148896595, 176086408, 220108010, 238234552, 297793190, 440216020, 506248423, 595586380, 880432040, 1012496846, 1191172760, 2024993692, 2531242115, 4049987384, 5062484230, 10124968460, 20249936920]

約数ペア:

[(1, 20249936920), (2, 10124968460), (4, 5062484230), (5, 4049987384), (8, 2531242115), (10, 2024993692), (17, 1191172760), (20, 1012496846), (23, 880432040), (34, 595586380), (40, 506248423), (46, 440216020), (68, 297793190), (85, 238234552), (92, 220108010), (115, 176086408), (136, 148896595), (170, 119117276), (184, 110054005), (230, 88043204), (340, 59558638), (391, 51790120), (460, 44021602), (680, 29779319), (782, 25895060), (920, 22010801), (1564, 12947530), (1955, 10358024), (3128, 6473765), (3910, 5179012), (7820, 2589506), (15640, 1294753)]