20201406

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25417794

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 79, 102, 109, 138, 158, 218, 237, 327, 391, 474, 654, 782, 1173, 1343, 1817, 1853, 2346, 2507, 2686, 3634, 3706, 4029, 5014, 5451, 5559, 7521, 8058, 8611, 10902, 11118, 15042, 17222, 25833, 30889, 42619, 51666, 61778, 85238, 92667, 127857, 146387, 185334, 198053, 255714, 292774, 396106, 439161, 594159, 878322, 1188318, 3366901, 6733802, 10100703, 20201406]

約数ペア:

[(1, 20201406), (2, 10100703), (3, 6733802), (6, 3366901), (17, 1188318), (23, 878322), (34, 594159), (46, 439161), (51, 396106), (69, 292774), (79, 255714), (102, 198053), (109, 185334), (138, 146387), (158, 127857), (218, 92667), (237, 85238), (327, 61778), (391, 51666), (474, 42619), (654, 30889), (782, 25833), (1173, 17222), (1343, 15042), (1817, 11118), (1853, 10902), (2346, 8611), (2507, 8058), (2686, 7521), (3634, 5559), (3706, 5451), (4029, 5014)]