20175112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{401}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 40039200

約数和(自身を除く): 19864088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 331, 401, 662, 802, 1324, 1604, 2648, 3208, 6289, 7619, 12578, 15238, 25156, 30476, 50312, 60952, 132731, 265462, 530924, 1061848, 2521889, 5043778, 10087556, 20175112]

約数ペア:

[(1, 20175112), (2, 10087556), (4, 5043778), (8, 2521889), (19, 1061848), (38, 530924), (76, 265462), (152, 132731), (331, 60952), (401, 50312), (662, 30476), (802, 25156), (1324, 15238), (1604, 12578), (2648, 7619), (3208, 6289)]