20021470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1249}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 41400000

約数和(自身を除く): 21378530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1249, 1603, 2290, 2498, 3206, 6245, 8015, 8743, 12490, 16030, 17486, 43715, 87430, 286021, 572042, 1430105, 2002147, 2860210, 4004294, 10010735, 20021470]

約数ペア:

[(1, 20021470), (2, 10010735), (5, 4004294), (7, 2860210), (10, 2002147), (14, 1430105), (35, 572042), (70, 286021), (229, 87430), (458, 43715), (1145, 17486), (1249, 16030), (1603, 12490), (2290, 8743), (2498, 8015), (3206, 6245)]