20871246

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 47476224

約数和(自身を除く): 26604978

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 101, 186, 202, 303, 341, 606, 682, 1023, 1111, 2046, 2222, 3131, 3333, 6262, 6666, 9393, 10201, 18786, 20402, 30603, 34441, 61206, 68882, 103323, 112211, 206646, 224422, 316231, 336633, 632462, 673266, 948693, 1897386, 3478541, 6957082, 10435623, 20871246]

約数ペア:

[(1, 20871246), (2, 10435623), (3, 6957082), (6, 3478541), (11, 1897386), (22, 948693), (31, 673266), (33, 632462), (62, 336633), (66, 316231), (93, 224422), (101, 206646), (186, 112211), (202, 103323), (303, 68882), (341, 61206), (606, 34441), (682, 30603), (1023, 20402), (1111, 18786), (2046, 10201), (2222, 9393), (3131, 6666), (3333, 6262)]