20216172591

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1\times {\mathrm{1231}}^1$

素因数の和:2261

約数の個数: 64

約数和(自身を含む): 32628879360

約数和(自身を除く): 12412706769

約数列:

[1, 3, 9, 17, 27, 37, 51, 111, 153, 333, 459, 629, 967, 999, 1231, 1887, 2901, 3693, 5661, 8703, 11079, 16439, 16983, 20927, 26109, 33237, 35779, 45547, 49317, 62781, 107337, 136641, 147951, 188343, 322011, 409923, 443853, 565029, 608243, 774299, 966033, 1190377, 1229769, 1824729, 2322897, 3571131, 5474187, 6968691, 10713393, 16422561, 20236409, 20906073, 32140179, 44043949, 60709227, 132131847, 182127681, 396395541, 546383043, 748747133, 1189186623, 2246241399, 6738724197, 20216172591]

約数ペア:

[(1, 20216172591), (3, 6738724197), (9, 2246241399), (17, 1189186623), (27, 748747133), (37, 546383043), (51, 396395541), (111, 182127681), (153, 132131847), (333, 60709227), (459, 44043949), (629, 32140179), (967, 20906073), (999, 20236409), (1231, 16422561), (1887, 10713393), (2901, 6968691), (3693, 5474187), (5661, 3571131), (8703, 2322897), (11079, 1824729), (16439, 1229769), (16983, 1190377), (20927, 966033), (26109, 774299), (33237, 608243), (35779, 565029), (45547, 443853), (49317, 409923), (62781, 322011), (107337, 188343), (136641, 147951)]