20857534130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6271}}^1\times {\mathrm{14461}}^1$

素因数の和:20762

約数の個数: 32

約数和(自身を含む): 39184846848

約数和(自身を除く): 18327312718

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 6271, 12542, 14461, 28922, 31355, 62710, 72305, 144233, 144610, 288466, 332603, 665206, 721165, 1442330, 1663015, 3326030, 90684931, 181369862, 453424655, 906849310, 2085753413, 4171506826, 10428767065, 20857534130]

約数ペア:

[(1, 20857534130), (2, 10428767065), (5, 4171506826), (10, 2085753413), (23, 906849310), (46, 453424655), (115, 181369862), (230, 90684931), (6271, 3326030), (12542, 1663015), (14461, 1442330), (28922, 721165), (31355, 665206), (62710, 332603), (72305, 288466), (144233, 144610)]