20007344

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4413

約数の個数: 40

約数和(自身を含む): 45392928

約数和(自身を除く): 25385584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4357, 4592, 8714, 17428, 30499, 34856, 60998, 69712, 121996, 178637, 243992, 357274, 487984, 714548, 1250459, 1429096, 2500918, 2858192, 5001836, 10003672, 20007344]

約数ペア:

[(1, 20007344), (2, 10003672), (4, 5001836), (7, 2858192), (8, 2500918), (14, 1429096), (16, 1250459), (28, 714548), (41, 487984), (56, 357274), (82, 243992), (112, 178637), (164, 121996), (287, 69712), (328, 60998), (574, 34856), (656, 30499), (1148, 17428), (2296, 8714), (4357, 4592)]