20404218135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{24203}}^1$

素因数の和:24293

約数の個数: 96

約数和(自身を含む): 40263063552

約数和(自身を除く): 19858845417

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 37, 49, 93, 105, 111, 147, 155, 185, 217, 245, 259, 465, 555, 651, 735, 777, 1085, 1147, 1295, 1519, 1813, 3255, 3441, 3885, 4557, 5439, 5735, 7595, 8029, 9065, 17205, 22785, 24087, 24203, 27195, 40145, 56203, 72609, 120435, 121015, 168609, 169421, 281015, 363045, 508263, 750293, 843045, 847105, 895511, 1185947, 2250879, 2541315, 2686533, 3557841, 3751465, 4477555, 5252051, 5929735, 6268577, 11254395, 13432665, 15756153, 17789205, 18805731, 26260255, 27760841, 31342885, 36764357, 43880039, 78780765, 83282523, 94028655, 110293071, 131640117, 138804205, 183821785, 194325887, 219400195, 416412615, 551465355, 582977661, 658200585, 971629435, 1360281209, 2914888305, 4080843627, 6801406045, 20404218135]

約数ペア:

[(1, 20404218135), (3, 6801406045), (5, 4080843627), (7, 2914888305), (15, 1360281209), (21, 971629435), (31, 658200585), (35, 582977661), (37, 551465355), (49, 416412615), (93, 219400195), (105, 194325887), (111, 183821785), (147, 138804205), (155, 131640117), (185, 110293071), (217, 94028655), (245, 83282523), (259, 78780765), (465, 43880039), (555, 36764357), (651, 31342885), (735, 27760841), (777, 26260255), (1085, 18805731), (1147, 17789205), (1295, 15756153), (1519, 13432665), (1813, 11254395), (3255, 6268577), (3441, 5929735), (3885, 5252051), (4557, 4477555), (5439, 3751465), (5735, 3557841), (7595, 2686533), (8029, 2541315), (9065, 2250879), (17205, 1185947), (22785, 895511), (24087, 847105), (24203, 843045), (27195, 750293), (40145, 508263), (56203, 363045), (72609, 281015), (120435, 169421), (121015, 168609)]