20404776

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17351}}^1$

素因数の和:17374

約数の個数: 48

約数和(自身を含む): 59343840

約数和(自身を除く): 38939064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17351, 34702, 52053, 69404, 104106, 121457, 138808, 208212, 242914, 364371, 416424, 485828, 728742, 850199, 971656, 1457484, 1700398, 2550597, 2914968, 3400796, 5101194, 6801592, 10202388, 20404776]

約数ペア:

[(1, 20404776), (2, 10202388), (3, 6801592), (4, 5101194), (6, 3400796), (7, 2914968), (8, 2550597), (12, 1700398), (14, 1457484), (21, 971656), (24, 850199), (28, 728742), (42, 485828), (49, 416424), (56, 364371), (84, 242914), (98, 208212), (147, 138808), (168, 121457), (196, 104106), (294, 69404), (392, 52053), (588, 34702), (1176, 17351)]