20451803610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{4549}}^1$

素因数の和:4916

約数の個数: 128

約数和(自身を含む): 57028608000

約数和(自身を除く): 36576804390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 271, 395, 474, 542, 553, 790, 813, 1106, 1185, 1355, 1626, 1659, 1897, 2370, 2710, 2765, 3318, 3794, 4065, 4549, 5530, 5691, 8130, 8295, 9098, 9485, 11382, 13647, 16590, 18970, 21409, 22745, 27294, 28455, 31843, 42818, 45490, 56910, 63686, 64227, 68235, 95529, 107045, 128454, 136470, 149863, 159215, 191058, 214090, 299726, 318430, 321135, 359371, 449589, 477645, 642270, 718742, 749315, 899178, 955290, 1078113, 1232779, 1498630, 1796855, 2156226, 2247945, 2465558, 2515597, 3593710, 3698337, 4495890, 5031194, 5390565, 6163895, 7396674, 7546791, 8629453, 10781130, 12327790, 12577985, 15093582, 17258906, 18491685, 25155970, 25888359, 36983370, 37733955, 43147265, 51776718, 75467910, 86294530, 97389541, 129441795, 194779082, 258883590, 292168623, 486947705, 584337246, 681726787, 973895410, 1363453574, 1460843115, 2045180361, 2921686230, 3408633935, 4090360722, 6817267870, 10225901805, 20451803610]

約数ペア:

[(1, 20451803610), (2, 10225901805), (3, 6817267870), (5, 4090360722), (6, 3408633935), (7, 2921686230), (10, 2045180361), (14, 1460843115), (15, 1363453574), (21, 973895410), (30, 681726787), (35, 584337246), (42, 486947705), (70, 292168623), (79, 258883590), (105, 194779082), (158, 129441795), (210, 97389541), (237, 86294530), (271, 75467910), (395, 51776718), (474, 43147265), (542, 37733955), (553, 36983370), (790, 25888359), (813, 25155970), (1106, 18491685), (1185, 17258906), (1355, 15093582), (1626, 12577985), (1659, 12327790), (1897, 10781130), (2370, 8629453), (2710, 7546791), (2765, 7396674), (3318, 6163895), (3794, 5390565), (4065, 5031194), (4549, 4495890), (5530, 3698337), (5691, 3593710), (8130, 2515597), (8295, 2465558), (9098, 2247945), (9485, 2156226), (11382, 1796855), (13647, 1498630), (16590, 1232779), (18970, 1078113), (21409, 955290), (22745, 899178), (27294, 749315), (28455, 718742), (31843, 642270), (42818, 477645), (45490, 449589), (56910, 359371), (63686, 321135), (64227, 318430), (68235, 299726), (95529, 214090), (107045, 191058), (128454, 159215), (136470, 149863)]