20199117729

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1\times {\mathrm{26813}}^1$

素因数の和:28089

約数の個数: 32

約数和(自身を含む): 31867902720

約数和(自身を除く): 11668784991

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1237, 3711, 8659, 25977, 26813, 35873, 80439, 107619, 187691, 251111, 563073, 753333, 777577, 2332731, 5443039, 16329117, 33167681, 99503043, 232173767, 696521301, 961862749, 2885588247, 6733039243, 20199117729]

約数ペア:

[(1, 20199117729), (3, 6733039243), (7, 2885588247), (21, 961862749), (29, 696521301), (87, 232173767), (203, 99503043), (609, 33167681), (1237, 16329117), (3711, 5443039), (8659, 2332731), (25977, 777577), (26813, 753333), (35873, 563073), (80439, 251111), (107619, 187691)]