20235517736

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{10321}}^1$

素因数の和:10714

約数の個数: 64

約数和(自身を含む): 43837946880

約数和(自身を除く): 23602429144

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 223, 314, 446, 628, 892, 1099, 1256, 1561, 1784, 2198, 3122, 4396, 6244, 8792, 10321, 12488, 20642, 35011, 41284, 70022, 72247, 82568, 140044, 144494, 245077, 280088, 288988, 490154, 577976, 980308, 1620397, 1960616, 2301583, 3240794, 4603166, 6481588, 9206332, 11342779, 12963176, 16111081, 18412664, 22685558, 32222162, 45371116, 64444324, 90742232, 128888648, 361348531, 722697062, 1445394124, 2529439717, 2890788248, 5058879434, 10117758868, 20235517736]

約数ペア:

[(1, 20235517736), (2, 10117758868), (4, 5058879434), (7, 2890788248), (8, 2529439717), (14, 1445394124), (28, 722697062), (56, 361348531), (157, 128888648), (223, 90742232), (314, 64444324), (446, 45371116), (628, 32222162), (892, 22685558), (1099, 18412664), (1256, 16111081), (1561, 12963176), (1784, 11342779), (2198, 9206332), (3122, 6481588), (4396, 4603166), (6244, 3240794), (8792, 2301583), (10321, 1960616), (12488, 1620397), (20642, 980308), (35011, 577976), (41284, 490154), (70022, 288988), (72247, 280088), (82568, 245077), (140044, 144494)]