20028850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 20593550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 727, 950, 1102, 1450, 1454, 2755, 3635, 5510, 7270, 13775, 13813, 18175, 21083, 27550, 27626, 36350, 42166, 69065, 105415, 138130, 210830, 345325, 400577, 527075, 690650, 801154, 1054150, 2002885, 4005770, 10014425, 20028850]

約数ペア:

[(1, 20028850), (2, 10014425), (5, 4005770), (10, 2002885), (19, 1054150), (25, 801154), (29, 690650), (38, 527075), (50, 400577), (58, 345325), (95, 210830), (145, 138130), (190, 105415), (290, 69065), (475, 42166), (551, 36350), (725, 27626), (727, 27550), (950, 21083), (1102, 18175), (1450, 13813), (1454, 13775), (2755, 7270), (3635, 5510)]