20173368292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{17989}}^1$

素因数の和:18353

約数の個数: 72

約数和(自身を含む): 44484520640

約数和(自身を除く): 24311152348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 331, 484, 662, 847, 1324, 1694, 2317, 3388, 3641, 4634, 7282, 9268, 14564, 17989, 25487, 35978, 40051, 50974, 71956, 80102, 101948, 125923, 160204, 197879, 251846, 280357, 395758, 503692, 560714, 791516, 1121428, 1385153, 2176669, 2770306, 4353338, 5540612, 5954359, 8706676, 11908718, 15236683, 23817436, 30473366, 41680513, 60946732, 65497949, 83361026, 130995898, 166722052, 261991796, 458485643, 720477439, 916971286, 1440954878, 1833942572, 2881909756, 5043342073, 10086684146, 20173368292]

約数ペア:

[(1, 20173368292), (2, 10086684146), (4, 5043342073), (7, 2881909756), (11, 1833942572), (14, 1440954878), (22, 916971286), (28, 720477439), (44, 458485643), (77, 261991796), (121, 166722052), (154, 130995898), (242, 83361026), (308, 65497949), (331, 60946732), (484, 41680513), (662, 30473366), (847, 23817436), (1324, 15236683), (1694, 11908718), (2317, 8706676), (3388, 5954359), (3641, 5540612), (4634, 4353338), (7282, 2770306), (9268, 2176669), (14564, 1385153), (17989, 1121428), (25487, 791516), (35978, 560714), (40051, 503692), (50974, 395758), (71956, 280357), (80102, 251846), (101948, 197879), (125923, 160204)]