20703654

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 30617946

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 27, 34, 38, 51, 54, 57, 102, 114, 153, 171, 306, 323, 342, 459, 513, 646, 918, 969, 1026, 1187, 1938, 2374, 2907, 3561, 5814, 7122, 8721, 10683, 17442, 20179, 21366, 22553, 32049, 40358, 45106, 60537, 64098, 67659, 121074, 135318, 181611, 202977, 363222, 383401, 405954, 544833, 608931, 766802, 1089666, 1150203, 1217862, 2300406, 3450609, 6901218, 10351827, 20703654]

約数ペア:

[(1, 20703654), (2, 10351827), (3, 6901218), (6, 3450609), (9, 2300406), (17, 1217862), (18, 1150203), (19, 1089666), (27, 766802), (34, 608931), (38, 544833), (51, 405954), (54, 383401), (57, 363222), (102, 202977), (114, 181611), (153, 135318), (171, 121074), (306, 67659), (323, 64098), (342, 60537), (459, 45106), (513, 40358), (646, 32049), (918, 22553), (969, 21366), (1026, 20179), (1187, 17442), (1938, 10683), (2374, 8721), (2907, 7122), (3561, 5814)]