20922195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6871}}^1$

素因数の和:6915

約数の個数: 32

約数和(自身を含む): 39582720

約数和(自身を除く): 18660525

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6871, 20613, 34355, 48097, 103065, 144291, 199259, 240485, 597777, 721455, 996295, 1394813, 2988885, 4184439, 6974065, 20922195]

約数ペア:

[(1, 20922195), (3, 6974065), (5, 4184439), (7, 2988885), (15, 1394813), (21, 996295), (29, 721455), (35, 597777), (87, 240485), (105, 199259), (145, 144291), (203, 103065), (435, 48097), (609, 34355), (1015, 20613), (3045, 6871)]