20765732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 41291712

約数和(自身を除く): 20525980

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 251, 481, 502, 559, 962, 1004, 1118, 1591, 1924, 2236, 3182, 3263, 6364, 6526, 9287, 10793, 13052, 18574, 20683, 21586, 37148, 41366, 43172, 82732, 120731, 140309, 241462, 280618, 399341, 482924, 561236, 798682, 1597364, 5191433, 10382866, 20765732]

約数ペア:

[(1, 20765732), (2, 10382866), (4, 5191433), (13, 1597364), (26, 798682), (37, 561236), (43, 482924), (52, 399341), (74, 280618), (86, 241462), (148, 140309), (172, 120731), (251, 82732), (481, 43172), (502, 41366), (559, 37148), (962, 21586), (1004, 20683), (1118, 18574), (1591, 13052), (1924, 10793), (2236, 9287), (3182, 6526), (3263, 6364)]