20163016208

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{203947}}^1$

素因数の和:204159

約数の個数: 40

約数和(自身を含む): 40362124992

約数和(自身を除く): 20199108784

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 167, 296, 334, 592, 668, 1336, 2672, 6179, 12358, 24716, 49432, 98864, 203947, 407894, 815788, 1631576, 3263152, 7546039, 15092078, 30184156, 34059149, 60368312, 68118298, 120736624, 136236596, 272473192, 544946384, 1260188513, 2520377026, 5040754052, 10081508104, 20163016208]

約数ペア:

[(1, 20163016208), (2, 10081508104), (4, 5040754052), (8, 2520377026), (16, 1260188513), (37, 544946384), (74, 272473192), (148, 136236596), (167, 120736624), (296, 68118298), (334, 60368312), (592, 34059149), (668, 30184156), (1336, 15092078), (2672, 7546039), (6179, 3263152), (12358, 1631576), (24716, 815788), (49432, 407894), (98864, 203947)]