20005200256

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{30389}}^1$

素因数の和:30579

約数の個数: 64

約数和(自身を含む): 41227074000

約数和(自身を除く): 21221873744

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 139, 148, 278, 296, 556, 592, 1112, 1184, 2224, 2368, 4448, 4736, 5143, 8896, 10286, 17792, 20572, 30389, 41144, 60778, 82288, 121556, 164576, 243112, 329152, 486224, 658304, 972448, 1124393, 1944896, 2248786, 3889792, 4224071, 4497572, 8448142, 8995144, 16896284, 17990288, 33792568, 35980576, 67585136, 71961152, 135170272, 143922304, 156290627, 270340544, 312581254, 540681088, 625162508, 1250325016, 2500650032, 5001300064, 10002600128, 20005200256]

約数ペア:

[(1, 20005200256), (2, 10002600128), (4, 5001300064), (8, 2500650032), (16, 1250325016), (32, 625162508), (37, 540681088), (64, 312581254), (74, 270340544), (128, 156290627), (139, 143922304), (148, 135170272), (278, 71961152), (296, 67585136), (556, 35980576), (592, 33792568), (1112, 17990288), (1184, 16896284), (2224, 8995144), (2368, 8448142), (4448, 4497572), (4736, 4224071), (5143, 3889792), (8896, 2248786), (10286, 1944896), (17792, 1124393), (20572, 972448), (30389, 658304), (41144, 486224), (60778, 329152), (82288, 243112), (121556, 164576)]