20178441332

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{2153}}^1$

素因数の和:2485

約数の個数: 96

約数和(自身を含む): 43231641600

約数和(自身を除く): 23053200268

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 223, 266, 316, 446, 532, 553, 892, 1106, 1501, 1561, 2153, 2212, 3002, 3122, 4237, 4306, 6004, 6244, 8474, 8612, 10507, 15071, 16948, 17617, 21014, 29659, 30142, 35234, 40907, 42028, 59318, 60284, 70468, 81814, 118636, 123319, 163628, 170087, 246638, 286349, 334723, 340174, 480119, 493276, 572698, 669446, 680348, 960238, 1145396, 1190609, 1338892, 1920476, 2343061, 2381218, 3231653, 3360833, 4686122, 4762436, 6463306, 6721666, 9122261, 9372244, 12926612, 13443332, 18244522, 22621571, 36489044, 37929401, 45243142, 63855827, 75858802, 90486284, 127711654, 151717604, 255423308, 265505807, 531011614, 720658619, 1062023228, 1441317238, 2882634476, 5044610333, 10089220666, 20178441332]

約数ペア:

[(1, 20178441332), (2, 10089220666), (4, 5044610333), (7, 2882634476), (14, 1441317238), (19, 1062023228), (28, 720658619), (38, 531011614), (76, 265505807), (79, 255423308), (133, 151717604), (158, 127711654), (223, 90486284), (266, 75858802), (316, 63855827), (446, 45243142), (532, 37929401), (553, 36489044), (892, 22621571), (1106, 18244522), (1501, 13443332), (1561, 12926612), (2153, 9372244), (2212, 9122261), (3002, 6721666), (3122, 6463306), (4237, 4762436), (4306, 4686122), (6004, 3360833), (6244, 3231653), (8474, 2381218), (8612, 2343061), (10507, 1920476), (15071, 1338892), (16948, 1190609), (17617, 1145396), (21014, 960238), (29659, 680348), (30142, 669446), (35234, 572698), (40907, 493276), (42028, 480119), (59318, 340174), (60284, 334723), (70468, 286349), (81814, 246638), (118636, 170087), (123319, 163628)]