20420652543

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1\times {\mathrm{5051}}^1$

素因数の和:5695

約数の個数: 32

約数和(自身を含む): 28389491712

約数和(自身を除く): 7968839169

約数列:

[1, 3, 47, 53, 141, 159, 541, 1623, 2491, 5051, 7473, 15153, 25427, 28673, 76281, 86019, 237397, 267703, 712191, 803109, 1347631, 2732591, 4042893, 8197773, 12582041, 37746123, 128431777, 144827323, 385295331, 434481969, 6806884181, 20420652543]

約数ペア:

[(1, 20420652543), (3, 6806884181), (47, 434481969), (53, 385295331), (141, 144827323), (159, 128431777), (541, 37746123), (1623, 12582041), (2491, 8197773), (5051, 4042893), (7473, 2732591), (15153, 1347631), (25427, 803109), (28673, 712191), (76281, 267703), (86019, 237397)]