20247696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:453

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 45908784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 72, 84, 106, 112, 126, 144, 159, 168, 212, 252, 318, 336, 371, 379, 424, 477, 504, 636, 742, 758, 848, 954, 1008, 1113, 1137, 1272, 1484, 1516, 1908, 2226, 2274, 2544, 2653, 2968, 3032, 3339, 3411, 3816, 4452, 4548, 5306, 5936, 6064, 6678, 6822, 7632, 7959, 8904, 9096, 10612, 13356, 13644, 15918, 17808, 18192, 20087, 21224, 23877, 26712, 27288, 31836, 40174, 42448, 47754, 53424, 54576, 60261, 63672, 80348, 95508, 120522, 127344, 140609, 160696, 180783, 191016, 241044, 281218, 321392, 361566, 382032, 421827, 482088, 562436, 723132, 843654, 964176, 1124872, 1265481, 1446264, 1687308, 2249744, 2530962, 2892528, 3374616, 5061924, 6749232, 10123848, 20247696]

約数ペア:

[(1, 20247696), (2, 10123848), (3, 6749232), (4, 5061924), (6, 3374616), (7, 2892528), (8, 2530962), (9, 2249744), (12, 1687308), (14, 1446264), (16, 1265481), (18, 1124872), (21, 964176), (24, 843654), (28, 723132), (36, 562436), (42, 482088), (48, 421827), (53, 382032), (56, 361566), (63, 321392), (72, 281218), (84, 241044), (106, 191016), (112, 180783), (126, 160696), (144, 140609), (159, 127344), (168, 120522), (212, 95508), (252, 80348), (318, 63672), (336, 60261), (371, 54576), (379, 53424), (424, 47754), (477, 42448), (504, 40174), (636, 31836), (742, 27288), (758, 26712), (848, 23877), (954, 21224), (1008, 20087), (1113, 18192), (1137, 17808), (1272, 15918), (1484, 13644), (1516, 13356), (1908, 10612), (2226, 9096), (2274, 8904), (2544, 7959), (2653, 7632), (2968, 6822), (3032, 6678), (3339, 6064), (3411, 5936), (3816, 5306), (4452, 4548)]