20858590970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{241}}^1\times {\mathrm{1021}}^1$

素因数の和:1456

約数の個数: 96

約数和(自身を含む): 44153269776

約数和(自身を除く): 23294678806

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 173, 241, 245, 346, 482, 490, 865, 1021, 1205, 1211, 1687, 1730, 2042, 2410, 2422, 3374, 5105, 6055, 7147, 8435, 8477, 10210, 11809, 12110, 14294, 16870, 16954, 23618, 35735, 41693, 42385, 50029, 59045, 71470, 83386, 84770, 100058, 118090, 176633, 208465, 246061, 250145, 291851, 353266, 416930, 492122, 500290, 583702, 883165, 1230305, 1236431, 1459255, 1722427, 1766330, 2042957, 2460610, 2472862, 2918510, 3444854, 4085914, 6182155, 8612135, 8655017, 10214785, 12056989, 12364310, 17224270, 17310034, 20429570, 24113978, 42568553, 43275085, 60284945, 85137106, 86550170, 120569890, 212842765, 297979871, 425685530, 595959742, 1489899355, 2085859097, 2979798710, 4171718194, 10429295485, 20858590970]

約数ペア:

[(1, 20858590970), (2, 10429295485), (5, 4171718194), (7, 2979798710), (10, 2085859097), (14, 1489899355), (35, 595959742), (49, 425685530), (70, 297979871), (98, 212842765), (173, 120569890), (241, 86550170), (245, 85137106), (346, 60284945), (482, 43275085), (490, 42568553), (865, 24113978), (1021, 20429570), (1205, 17310034), (1211, 17224270), (1687, 12364310), (1730, 12056989), (2042, 10214785), (2410, 8655017), (2422, 8612135), (3374, 6182155), (5105, 4085914), (6055, 3444854), (7147, 2918510), (8435, 2472862), (8477, 2460610), (10210, 2042957), (11809, 1766330), (12110, 1722427), (14294, 1459255), (16870, 1236431), (16954, 1230305), (23618, 883165), (35735, 583702), (41693, 500290), (42385, 492122), (50029, 416930), (59045, 353266), (71470, 291851), (83386, 250145), (84770, 246061), (100058, 208465), (118090, 176633)]