20795110

素因数分解:

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

素因数の和:126

約数の個数: 72

約数和(自身を含む): 46194624

約数和(自身を除く): 25399514

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 37, 49, 62, 70, 74, 98, 155, 185, 217, 245, 259, 310, 370, 434, 490, 518, 1085, 1147, 1295, 1369, 1519, 1813, 2170, 2294, 2590, 2738, 3038, 3626, 5735, 6845, 7595, 8029, 9065, 9583, 11470, 13690, 15190, 16058, 18130, 19166, 40145, 42439, 47915, 56203, 67081, 80290, 84878, 95830, 112406, 134162, 212195, 281015, 297073, 335405, 424390, 562030, 594146, 670810, 1485365, 2079511, 2970730, 4159022, 10397555, 20795110]

約数ペア:

[(1, 20795110), (2, 10397555), (5, 4159022), (7, 2970730), (10, 2079511), (14, 1485365), (31, 670810), (35, 594146), (37, 562030), (49, 424390), (62, 335405), (70, 297073), (74, 281015), (98, 212195), (155, 134162), (185, 112406), (217, 95830), (245, 84878), (259, 80290), (310, 67081), (370, 56203), (434, 47915), (490, 42439), (518, 40145), (1085, 19166), (1147, 18130), (1295, 16058), (1369, 15190), (1519, 13690), (1813, 11470), (2170, 9583), (2294, 9065), (2590, 8029), (2738, 7595), (3038, 6845), (3626, 5735)]