20781746590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{8693}}^1$

素因数の和:9025

約数の個数: 64

約数和(自身を含む): 41404027392

約数和(自身を除く): 20622280802

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 211, 422, 515, 1030, 1055, 1133, 2110, 2266, 2321, 4642, 5665, 8693, 11330, 11605, 17386, 21733, 23210, 43465, 43466, 86930, 95623, 108665, 191246, 217330, 239063, 478115, 478126, 895379, 956230, 1195315, 1790758, 1834223, 2390630, 3668446, 4476895, 8953790, 9171115, 9849169, 18342230, 19698338, 20176453, 40352906, 49245845, 98491690, 100882265, 188924969, 201764530, 377849938, 944624845, 1889249690, 2078174659, 4156349318, 10390873295, 20781746590]

約数ペア:

[(1, 20781746590), (2, 10390873295), (5, 4156349318), (10, 2078174659), (11, 1889249690), (22, 944624845), (55, 377849938), (103, 201764530), (110, 188924969), (206, 100882265), (211, 98491690), (422, 49245845), (515, 40352906), (1030, 20176453), (1055, 19698338), (1133, 18342230), (2110, 9849169), (2266, 9171115), (2321, 8953790), (4642, 4476895), (5665, 3668446), (8693, 2390630), (11330, 1834223), (11605, 1790758), (17386, 1195315), (21733, 956230), (23210, 895379), (43465, 478126), (43466, 478115), (86930, 239063), (95623, 217330), (108665, 191246)]