20859872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3119}}^1$

素因数の和:3159

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 26314528

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3119, 3344, 6238, 6688, 12476, 24952, 34309, 49904, 59261, 68618, 99808, 118522, 137236, 237044, 274472, 474088, 548944, 651871, 948176, 1097888, 1303742, 1896352, 2607484, 5214968, 10429936, 20859872]

約数ペア:

[(1, 20859872), (2, 10429936), (4, 5214968), (8, 2607484), (11, 1896352), (16, 1303742), (19, 1097888), (22, 948176), (32, 651871), (38, 548944), (44, 474088), (76, 274472), (88, 237044), (152, 137236), (176, 118522), (209, 99808), (304, 68618), (352, 59261), (418, 49904), (608, 34309), (836, 24952), (1672, 12476), (3119, 6688), (3344, 6238)]