20132875

素因数分解:

$5^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 30944160

約数和(自身を除く): 10811285

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 125, 133, 173, 175, 245, 475, 665, 865, 875, 931, 1211, 1225, 2375, 3287, 3325, 4325, 4655, 6055, 6125, 8477, 16435, 16625, 21625, 23009, 23275, 30275, 42385, 82175, 115045, 116375, 151375, 161063, 211925, 410875, 575225, 805315, 1059625, 2876125, 4026575, 20132875]

約数ペア:

[(1, 20132875), (5, 4026575), (7, 2876125), (19, 1059625), (25, 805315), (35, 575225), (49, 410875), (95, 211925), (125, 161063), (133, 151375), (173, 116375), (175, 115045), (245, 82175), (475, 42385), (665, 30275), (865, 23275), (875, 23009), (931, 21625), (1211, 16625), (1225, 16435), (2375, 8477), (3287, 6125), (3325, 6055), (4325, 4655)]