20899291292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{1303}}^1$

素因数の和:1899

約数の個数: 96

約数和(自身を含む): 43392029184

約数和(自身を除く): 22492737892

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 44, 68, 82, 164, 187, 374, 451, 523, 697, 748, 902, 1046, 1303, 1394, 1804, 2092, 2606, 2788, 5212, 5753, 7667, 8891, 11506, 14333, 15334, 17782, 21443, 22151, 23012, 28666, 30668, 35564, 42886, 44302, 53423, 57332, 85772, 88604, 97801, 106846, 195602, 213692, 235873, 243661, 364531, 391204, 471746, 487322, 587653, 681469, 729062, 908191, 943492, 974644, 1175306, 1362938, 1458124, 1816382, 2350612, 2725876, 3632764, 4009841, 7496159, 8019682, 9990101, 11584973, 14992318, 16039364, 19980202, 23169946, 27940229, 29984636, 39960404, 46339892, 55880458, 111760916, 127434703, 254869406, 307342519, 474983893, 509738812, 614685038, 949967786, 1229370076, 1899935572, 5224822823, 10449645646, 20899291292]

約数ペア:

[(1, 20899291292), (2, 10449645646), (4, 5224822823), (11, 1899935572), (17, 1229370076), (22, 949967786), (34, 614685038), (41, 509738812), (44, 474983893), (68, 307342519), (82, 254869406), (164, 127434703), (187, 111760916), (374, 55880458), (451, 46339892), (523, 39960404), (697, 29984636), (748, 27940229), (902, 23169946), (1046, 19980202), (1303, 16039364), (1394, 14992318), (1804, 11584973), (2092, 9990101), (2606, 8019682), (2788, 7496159), (5212, 4009841), (5753, 3632764), (7667, 2725876), (8891, 2350612), (11506, 1816382), (14333, 1458124), (15334, 1362938), (17782, 1175306), (21443, 974644), (22151, 943492), (23012, 908191), (28666, 729062), (30668, 681469), (35564, 587653), (42886, 487322), (44302, 471746), (53423, 391204), (57332, 364531), (85772, 243661), (88604, 235873), (97801, 213692), (106846, 195602)]