20171583621

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1\times {\mathrm{14029}}^1$

素因数の和:14858

約数の個数: 48

約数和(自身を含む): 34493596800

約数和(自身を除く): 14322013179

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 787, 1827, 2361, 5509, 7083, 14029, 16527, 22823, 42087, 49581, 68469, 98203, 126261, 159761, 205407, 294609, 406841, 479283, 883827, 1220523, 1437849, 2847887, 3661569, 8543661, 11040823, 25630983, 33122469, 77285761, 99367407, 231857283, 320183867, 695571849, 960551601, 2241287069, 2881654803, 6723861207, 20171583621]

約数ペア:

[(1, 20171583621), (3, 6723861207), (7, 2881654803), (9, 2241287069), (21, 960551601), (29, 695571849), (63, 320183867), (87, 231857283), (203, 99367407), (261, 77285761), (609, 33122469), (787, 25630983), (1827, 11040823), (2361, 8543661), (5509, 3661569), (7083, 2847887), (14029, 1437849), (16527, 1220523), (22823, 883827), (42087, 479283), (49581, 406841), (68469, 294609), (98203, 205407), (126261, 159761)]