About the Number

20409030

20409029 ← → 20409031

2進数表記:1001101110110101011000110

漢数字表記:二千四十万九千三十

素因数分解:

2 1 × 3 3 × 5 1 × 269 1 × 281 1

素因数の和:566
約数の個数: 64
約数和(自身を含む): 54820800
約数和(自身を除く): 34411770

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 269, 270, 281, 538, 562, 807, 843, 1345, 1405, 1614, 1686, 2421, 2529, 2690, 2810, 4035, 4215, 4842, 5058, 7263, 7587, 8070, 8430, 12105, 12645, 14526, 15174, 24210, 25290, 36315, 37935, 72630, 75589, 75870, 151178, 226767, 377945, 453534, 680301, 755890, 1133835, 1360602, 2040903, 2267670, 3401505, 4081806, 6803010, 10204515, 20409030]

約数ペア:
[(1, 20409030), (2, 10204515), (3, 6803010), (5, 4081806), (6, 3401505), (9, 2267670), (10, 2040903), (15, 1360602), (18, 1133835), (27, 755890), (30, 680301), (45, 453534), (54, 377945), (90, 226767), (135, 151178), (269, 75870), (270, 75589), (281, 72630), (538, 37935), (562, 36315), (807, 25290), (843, 24210), (1345, 15174), (1405, 14526), (1614, 12645), (1686, 12105), (2421, 8430), (2529, 8070), (2690, 7587), (2810, 7263), (4035, 5058), (4215, 4842)]

このpageの処理時間: 0.0050203800201416016 seconds