20856552578

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{7127}}^1$

素因数の和:7307

約数の個数: 48

約数和(自身を含む): 34189936704

約数和(自身を除く): 13333384126

約数列:

[1, 2, 17, 34, 61, 83, 122, 166, 289, 578, 1037, 1411, 2074, 2822, 5063, 7127, 10126, 14254, 17629, 23987, 35258, 47974, 86071, 121159, 172142, 242318, 434747, 591541, 869494, 1183082, 1463207, 2059703, 2926414, 4119406, 7390699, 10056197, 14781398, 20112394, 36084001, 72168002, 125641883, 170955349, 251283766, 341910698, 613428017, 1226856034, 10428276289, 20856552578]

約数ペア:

[(1, 20856552578), (2, 10428276289), (17, 1226856034), (34, 613428017), (61, 341910698), (83, 251283766), (122, 170955349), (166, 125641883), (289, 72168002), (578, 36084001), (1037, 20112394), (1411, 14781398), (2074, 10056197), (2822, 7390699), (5063, 4119406), (7127, 2926414), (10126, 2059703), (14254, 1463207), (17629, 1183082), (23987, 869494), (35258, 591541), (47974, 434747), (86071, 242318), (121159, 172142)]