20406204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6229}}^1$

素因数の和:6259

約数の個数: 72

約数和(自身を含む): 63496160

約数和(自身を除く): 43089956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6229, 12458, 18687, 24916, 37374, 43603, 56061, 74748, 80977, 87206, 112122, 130809, 161954, 174412, 224244, 242931, 261618, 323908, 392427, 485862, 523236, 566839, 728793, 784854, 971724, 1133678, 1457586, 1569708, 1700517, 2267356, 2915172, 3401034, 5101551, 6802068, 10203102, 20406204]

約数ペア:

[(1, 20406204), (2, 10203102), (3, 6802068), (4, 5101551), (6, 3401034), (7, 2915172), (9, 2267356), (12, 1700517), (13, 1569708), (14, 1457586), (18, 1133678), (21, 971724), (26, 784854), (28, 728793), (36, 566839), (39, 523236), (42, 485862), (52, 392427), (63, 323908), (78, 261618), (84, 242931), (91, 224244), (117, 174412), (126, 161954), (156, 130809), (182, 112122), (234, 87206), (252, 80977), (273, 74748), (364, 56061), (468, 43603), (546, 37374), (819, 24916), (1092, 18687), (1638, 12458), (3276, 6229)]