20110797

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 35717760

約数和(自身を除く): 15606963

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 317, 371, 399, 477, 951, 1007, 1113, 1197, 2219, 2853, 3021, 3339, 6023, 6657, 7049, 9063, 16801, 18069, 19971, 21147, 42161, 50403, 54207, 63441, 117607, 126483, 151209, 319219, 352821, 379449, 957657, 1058463, 2234533, 2872971, 6703599, 20110797]

約数ペア:

[(1, 20110797), (3, 6703599), (7, 2872971), (9, 2234533), (19, 1058463), (21, 957657), (53, 379449), (57, 352821), (63, 319219), (133, 151209), (159, 126483), (171, 117607), (317, 63441), (371, 54207), (399, 50403), (477, 42161), (951, 21147), (1007, 19971), (1113, 18069), (1197, 16801), (2219, 9063), (2853, 7049), (3021, 6657), (3339, 6023)]