20387460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 60060672

約数和(自身を除く): 39673212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 97, 113, 124, 155, 186, 194, 226, 291, 310, 339, 372, 388, 452, 465, 485, 565, 582, 620, 678, 930, 970, 1130, 1164, 1356, 1455, 1695, 1860, 1940, 2260, 2910, 3007, 3390, 3503, 5820, 6014, 6780, 7006, 9021, 10509, 10961, 12028, 14012, 15035, 17515, 18042, 21018, 21922, 30070, 32883, 35030, 36084, 42036, 43844, 45105, 52545, 54805, 60140, 65766, 70060, 90210, 105090, 109610, 131532, 164415, 180420, 210180, 219220, 328830, 339791, 657660, 679582, 1019373, 1359164, 1698955, 2038746, 3397910, 4077492, 5096865, 6795820, 10193730, 20387460]

約数ペア:

[(1, 20387460), (2, 10193730), (3, 6795820), (4, 5096865), (5, 4077492), (6, 3397910), (10, 2038746), (12, 1698955), (15, 1359164), (20, 1019373), (30, 679582), (31, 657660), (60, 339791), (62, 328830), (93, 219220), (97, 210180), (113, 180420), (124, 164415), (155, 131532), (186, 109610), (194, 105090), (226, 90210), (291, 70060), (310, 65766), (339, 60140), (372, 54805), (388, 52545), (452, 45105), (465, 43844), (485, 42036), (565, 36084), (582, 35030), (620, 32883), (678, 30070), (930, 21922), (970, 21018), (1130, 18042), (1164, 17515), (1356, 15035), (1455, 14012), (1695, 12028), (1860, 10961), (1940, 10509), (2260, 9021), (2910, 7006), (3007, 6780), (3390, 6014), (3503, 5820)]