20802231736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{86179}}^1$

素因数の和:86420

約数の個数: 64

約数和(自身を含む): 46040803200

約数和(自身を除く): 25238571464

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 211, 286, 422, 572, 844, 1144, 1688, 2321, 2743, 4642, 5486, 9284, 10972, 18568, 21944, 30173, 60346, 86179, 120692, 172358, 241384, 344716, 689432, 947969, 1120327, 1895938, 2240654, 3791876, 4481308, 7583752, 8962616, 12323597, 18183769, 24647194, 36367538, 49294388, 72735076, 98588776, 145470152, 200021459, 236388997, 400042918, 472777994, 800085836, 945555988, 1600171672, 1891111976, 2600278967, 5200557934, 10401115868, 20802231736]

約数ペア:

[(1, 20802231736), (2, 10401115868), (4, 5200557934), (8, 2600278967), (11, 1891111976), (13, 1600171672), (22, 945555988), (26, 800085836), (44, 472777994), (52, 400042918), (88, 236388997), (104, 200021459), (143, 145470152), (211, 98588776), (286, 72735076), (422, 49294388), (572, 36367538), (844, 24647194), (1144, 18183769), (1688, 12323597), (2321, 8962616), (2743, 7583752), (4642, 4481308), (5486, 3791876), (9284, 2240654), (10972, 1895938), (18568, 1120327), (21944, 947969), (30173, 689432), (60346, 344716), (86179, 241384), (120692, 172358)]