20722969462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{40289}}^1$

素因数の和:40648

約数の個数: 32

約数和(自身を含む): 34060199040

約数和(自身を除く): 13337229578

約数列:

[1, 2, 13, 26, 73, 146, 271, 542, 949, 1898, 3523, 7046, 19783, 39566, 40289, 80578, 257179, 514358, 523757, 1047514, 2941097, 5882194, 10918319, 21836638, 38234261, 76468522, 141938147, 283876294, 797037287, 1594074574, 10361484731, 20722969462]

約数ペア:

[(1, 20722969462), (2, 10361484731), (13, 1594074574), (26, 797037287), (73, 283876294), (146, 141938147), (271, 76468522), (542, 38234261), (949, 21836638), (1898, 10918319), (3523, 5882194), (7046, 2941097), (19783, 1047514), (39566, 523757), (40289, 514358), (80578, 257179)]