20639136

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{30713}}^1$

素因数の和:30733

約数の個数: 48

約数和(自身を含む): 61919424

約数和(自身を除く): 41280288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 30713, 61426, 92139, 122852, 184278, 214991, 245704, 368556, 429982, 491408, 644973, 737112, 859964, 982816, 1289946, 1474224, 1719928, 2579892, 2948448, 3439856, 5159784, 6879712, 10319568, 20639136]

約数ペア:

[(1, 20639136), (2, 10319568), (3, 6879712), (4, 5159784), (6, 3439856), (7, 2948448), (8, 2579892), (12, 1719928), (14, 1474224), (16, 1289946), (21, 982816), (24, 859964), (28, 737112), (32, 644973), (42, 491408), (48, 429982), (56, 368556), (84, 245704), (96, 214991), (112, 184278), (168, 122852), (224, 92139), (336, 61426), (672, 30713)]