20993742

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 168

約数和(自身を含む): 62799408

約数和(自身を除く): 41805666

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 17, 18, 21, 22, 27, 33, 34, 42, 51, 54, 63, 66, 77, 81, 99, 102, 119, 121, 126, 153, 154, 162, 187, 189, 198, 231, 238, 242, 243, 297, 306, 357, 363, 374, 378, 459, 462, 486, 561, 567, 594, 693, 714, 726, 729, 847, 891, 918, 1071, 1089, 1122, 1134, 1309, 1377, 1386, 1458, 1683, 1694, 1701, 1782, 2057, 2079, 2142, 2178, 2541, 2618, 2673, 2754, 3213, 3267, 3366, 3402, 3927, 4114, 4131, 4158, 5049, 5082, 5103, 5346, 6171, 6237, 6426, 6534, 7623, 7854, 8019, 8262, 9639, 9801, 10098, 10206, 11781, 12342, 12393, 12474, 14399, 15147, 15246, 16038, 18513, 18711, 19278, 19602, 22869, 23562, 24786, 28798, 28917, 29403, 30294, 35343, 37026, 37422, 43197, 45441, 45738, 55539, 56133, 57834, 58806, 68607, 70686, 86394, 86751, 88209, 90882, 106029, 111078, 112266, 129591, 136323, 137214, 166617, 173502, 176418, 205821, 212058, 259182, 272646, 318087, 333234, 388773, 411642, 499851, 617463, 636174, 777546, 954261, 999702, 1166319, 1234926, 1499553, 1908522, 2332638, 2999106, 3498957, 6997914, 10496871, 20993742]

約数ペア:

[(1, 20993742), (2, 10496871), (3, 6997914), (6, 3498957), (7, 2999106), (9, 2332638), (11, 1908522), (14, 1499553), (17, 1234926), (18, 1166319), (21, 999702), (22, 954261), (27, 777546), (33, 636174), (34, 617463), (42, 499851), (51, 411642), (54, 388773), (63, 333234), (66, 318087), (77, 272646), (81, 259182), (99, 212058), (102, 205821), (119, 176418), (121, 173502), (126, 166617), (153, 137214), (154, 136323), (162, 129591), (187, 112266), (189, 111078), (198, 106029), (231, 90882), (238, 88209), (242, 86751), (243, 86394), (297, 70686), (306, 68607), (357, 58806), (363, 57834), (374, 56133), (378, 55539), (459, 45738), (462, 45441), (486, 43197), (561, 37422), (567, 37026), (594, 35343), (693, 30294), (714, 29403), (726, 28917), (729, 28798), (847, 24786), (891, 23562), (918, 22869), (1071, 19602), (1089, 19278), (1122, 18711), (1134, 18513), (1309, 16038), (1377, 15246), (1386, 15147), (1458, 14399), (1683, 12474), (1694, 12393), (1701, 12342), (1782, 11781), (2057, 10206), (2079, 10098), (2142, 9801), (2178, 9639), (2541, 8262), (2618, 8019), (2673, 7854), (2754, 7623), (3213, 6534), (3267, 6426), (3366, 6237), (3402, 6171), (3927, 5346), (4114, 5103), (4131, 5082), (4158, 5049)]