20000578496

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5123099}}^1$

素因数の和:5123172

約数の個数: 28

約数和(自身を含む): 40339289400

約数和(自身を除く): 20338710904

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5123099, 10246198, 20492396, 40984792, 81969584, 163939168, 312509039, 327878336, 625018078, 1250036156, 2500072312, 5000144624, 10000289248, 20000578496]

約数ペア:

[(1, 20000578496), (2, 10000289248), (4, 5000144624), (8, 2500072312), (16, 1250036156), (32, 625018078), (61, 327878336), (64, 312509039), (122, 163939168), (244, 81969584), (488, 40984792), (976, 20492396), (1952, 10246198), (3904, 5123099)]