20806561698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{82153}}^1$

素因数の和:82379

約数の個数: 64

約数和(自身を含む): 47699269632

約数和(自身を除く): 26892707934

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 191, 221, 382, 442, 573, 663, 1146, 1326, 2483, 3247, 4966, 6494, 7449, 9741, 14898, 19482, 42211, 82153, 84422, 126633, 164306, 246459, 253266, 492918, 1067989, 1396601, 2135978, 2793202, 3203967, 4189803, 6407934, 8379606, 15691223, 18155813, 31382446, 36311626, 47073669, 54467439, 94147338, 108934878, 203985899, 266750791, 407971798, 533501582, 611957697, 800252373, 1223915394, 1600504746, 3467760283, 6935520566, 10403280849, 20806561698]

約数ペア:

[(1, 20806561698), (2, 10403280849), (3, 6935520566), (6, 3467760283), (13, 1600504746), (17, 1223915394), (26, 800252373), (34, 611957697), (39, 533501582), (51, 407971798), (78, 266750791), (102, 203985899), (191, 108934878), (221, 94147338), (382, 54467439), (442, 47073669), (573, 36311626), (663, 31382446), (1146, 18155813), (1326, 15691223), (2483, 8379606), (3247, 6407934), (4966, 4189803), (6494, 3203967), (7449, 2793202), (9741, 2135978), (14898, 1396601), (19482, 1067989), (42211, 492918), (82153, 253266), (84422, 246459), (126633, 164306)]