20565545128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{4297}}^1$

素因数の和:4419

約数の個数: 96

約数和(自身を含む): 43540459200

約数和(自身を除く): 22974914072

約数列:

[1, 2, 4, 8, 19, 23, 37, 38, 46, 74, 76, 92, 148, 152, 184, 296, 437, 703, 851, 874, 1369, 1406, 1702, 1748, 2738, 2812, 3404, 3496, 4297, 5476, 5624, 6808, 8594, 10952, 16169, 17188, 26011, 31487, 32338, 34376, 52022, 62974, 64676, 81643, 98831, 104044, 125948, 129352, 158989, 163286, 197662, 208088, 251896, 317978, 326572, 395324, 598253, 635956, 653144, 790648, 1196506, 1271912, 1877789, 2393012, 3020791, 3656747, 3755578, 4786024, 5882593, 6041582, 7313494, 7511156, 11765186, 12083164, 14626988, 15022312, 23530372, 24166328, 29253976, 47060744, 69478193, 111769267, 135299639, 138956386, 223538534, 270599278, 277912772, 447077068, 541198556, 555825544, 894154136, 1082397112, 2570693141, 5141386282, 10282772564, 20565545128]

約数ペア:

[(1, 20565545128), (2, 10282772564), (4, 5141386282), (8, 2570693141), (19, 1082397112), (23, 894154136), (37, 555825544), (38, 541198556), (46, 447077068), (74, 277912772), (76, 270599278), (92, 223538534), (148, 138956386), (152, 135299639), (184, 111769267), (296, 69478193), (437, 47060744), (703, 29253976), (851, 24166328), (874, 23530372), (1369, 15022312), (1406, 14626988), (1702, 12083164), (1748, 11765186), (2738, 7511156), (2812, 7313494), (3404, 6041582), (3496, 5882593), (4297, 4786024), (5476, 3755578), (5624, 3656747), (6808, 3020791), (8594, 2393012), (10952, 1877789), (16169, 1271912), (17188, 1196506), (26011, 790648), (31487, 653144), (32338, 635956), (34376, 598253), (52022, 395324), (62974, 326572), (64676, 317978), (81643, 251896), (98831, 208088), (104044, 197662), (125948, 163286), (129352, 158989)]