20807526909

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{601}}^1\times {\mathrm{2969}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 31410529920

約数和(自身を除く): 10603003011

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 601, 897, 1803, 2969, 3887, 7813, 8907, 11661, 13823, 23439, 38597, 41469, 68287, 101569, 115791, 179699, 204861, 304707, 501761, 539097, 887731, 1505283, 1784369, 2336087, 2663193, 5353107, 7008261, 11540503, 23196797, 34621509, 41040487, 69590391, 123121461, 301558361, 533526331, 904675083, 1600578993, 6935842303, 20807526909]

約数ペア:

[(1, 20807526909), (3, 6935842303), (13, 1600578993), (23, 904675083), (39, 533526331), (69, 301558361), (169, 123121461), (299, 69590391), (507, 41040487), (601, 34621509), (897, 23196797), (1803, 11540503), (2969, 7008261), (3887, 5353107), (7813, 2663193), (8907, 2336087), (11661, 1784369), (13823, 1505283), (23439, 887731), (38597, 539097), (41469, 501761), (68287, 304707), (101569, 204861), (115791, 179699)]