20089661104

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1770

約数の個数: 80

約数和(自身を含む): 40689617920

約数和(自身を除く): 20599956816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 211, 248, 278, 422, 496, 556, 844, 1112, 1381, 1688, 2224, 2762, 3376, 4309, 5524, 6541, 8618, 11048, 13082, 17236, 22096, 26164, 29329, 34472, 42811, 52328, 58658, 68944, 85622, 104656, 117316, 171244, 191959, 234632, 291391, 342488, 383918, 469264, 582782, 684976, 767836, 909199, 1165564, 1535672, 1818398, 2331128, 3071344, 3636796, 4662256, 5950729, 7273592, 9033121, 11901458, 14547184, 18066242, 23802916, 36132484, 40503349, 47605832, 72264968, 81006698, 95211664, 144529936, 162013396, 324026792, 648053584, 1255603819, 2511207638, 5022415276, 10044830552, 20089661104]

約数ペア:

[(1, 20089661104), (2, 10044830552), (4, 5022415276), (8, 2511207638), (16, 1255603819), (31, 648053584), (62, 324026792), (124, 162013396), (139, 144529936), (211, 95211664), (248, 81006698), (278, 72264968), (422, 47605832), (496, 40503349), (556, 36132484), (844, 23802916), (1112, 18066242), (1381, 14547184), (1688, 11901458), (2224, 9033121), (2762, 7273592), (3376, 5950729), (4309, 4662256), (5524, 3636796), (6541, 3071344), (8618, 2331128), (11048, 1818398), (13082, 1535672), (17236, 1165564), (22096, 909199), (26164, 767836), (29329, 684976), (34472, 582782), (42811, 469264), (52328, 383918), (58658, 342488), (68944, 291391), (85622, 234632), (104656, 191959), (117316, 171244)]