20161686816

素因数分解:

$2^5\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1147637}}^1$

素因数の和:1147714

約数の個数: 72

約数和(自身を含む): 58274762364

約数和(自身を除く): 38113075548

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 288, 366, 488, 549, 732, 976, 1098, 1464, 1952, 2196, 2928, 4392, 5856, 8784, 17568, 1147637, 2295274, 3442911, 4590548, 6885822, 9181096, 10328733, 13771644, 18362192, 20657466, 27543288, 36724384, 41314932, 55086576, 70005857, 82629864, 110173152, 140011714, 165259728, 210017571, 280023428, 330519456, 420035142, 560046856, 630052713, 840070284, 1120093712, 1260105426, 1680140568, 2240187424, 2520210852, 3360281136, 5040421704, 6720562272, 10080843408, 20161686816]

約数ペア:

[(1, 20161686816), (2, 10080843408), (3, 6720562272), (4, 5040421704), (6, 3360281136), (8, 2520210852), (9, 2240187424), (12, 1680140568), (16, 1260105426), (18, 1120093712), (24, 840070284), (32, 630052713), (36, 560046856), (48, 420035142), (61, 330519456), (72, 280023428), (96, 210017571), (122, 165259728), (144, 140011714), (183, 110173152), (244, 82629864), (288, 70005857), (366, 55086576), (488, 41314932), (549, 36724384), (732, 27543288), (976, 20657466), (1098, 18362192), (1464, 13771644), (1952, 10328733), (2196, 9181096), (2928, 6885822), (4392, 4590548), (5856, 3442911), (8784, 2295274), (17568, 1147637)]