20378088962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{12197}}^1$

素因数の和:12807

約数の個数: 64

約数和(自身を含む): 40188994560

約数和(自身を除く): 19810905598

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 571, 1142, 1463, 2926, 3997, 6281, 7994, 10849, 12197, 12562, 21698, 24394, 43967, 75943, 85379, 87934, 119339, 134167, 151886, 170758, 231743, 238678, 268334, 463486, 835373, 939169, 1622201, 1670746, 1878338, 2549173, 3244402, 5098346, 6964487, 13928974, 17844211, 35688422, 48751409, 76609357, 97502818, 132325253, 153218714, 264650506, 536265499, 926276771, 1072530998, 1455577783, 1852553542, 2911155566, 10189044481, 20378088962]

約数ペア:

[(1, 20378088962), (2, 10189044481), (7, 2911155566), (11, 1852553542), (14, 1455577783), (19, 1072530998), (22, 926276771), (38, 536265499), (77, 264650506), (133, 153218714), (154, 132325253), (209, 97502818), (266, 76609357), (418, 48751409), (571, 35688422), (1142, 17844211), (1463, 13928974), (2926, 6964487), (3997, 5098346), (6281, 3244402), (7994, 2549173), (10849, 1878338), (12197, 1670746), (12562, 1622201), (21698, 939169), (24394, 835373), (43967, 463486), (75943, 268334), (85379, 238678), (87934, 231743), (119339, 170758), (134167, 151886)]