20694366

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 59754240

約数和(自身を除く): 39059874

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 79, 81, 98, 99, 126, 147, 154, 158, 162, 189, 198, 231, 237, 243, 294, 297, 378, 441, 462, 474, 486, 539, 553, 567, 594, 693, 711, 869, 882, 891, 1078, 1106, 1134, 1323, 1386, 1422, 1617, 1659, 1701, 1738, 1782, 2079, 2133, 2607, 2646, 2673, 3234, 3318, 3402, 3871, 3969, 4158, 4266, 4851, 4977, 5214, 5346, 6083, 6237, 6399, 7742, 7821, 7938, 9702, 9954, 11613, 11907, 12166, 12474, 12798, 14553, 14931, 15642, 18249, 18711, 19197, 23226, 23463, 23814, 29106, 29862, 34839, 36498, 37422, 38394, 42581, 43659, 44793, 46926, 54747, 69678, 70389, 85162, 87318, 89586, 104517, 109494, 127743, 130977, 134379, 140778, 164241, 209034, 211167, 255486, 261954, 268758, 313551, 328482, 383229, 422334, 492723, 627102, 766458, 940653, 985446, 1149687, 1478169, 1881306, 2299374, 2956338, 3449061, 6898122, 10347183, 20694366]

約数ペア:

[(1, 20694366), (2, 10347183), (3, 6898122), (6, 3449061), (7, 2956338), (9, 2299374), (11, 1881306), (14, 1478169), (18, 1149687), (21, 985446), (22, 940653), (27, 766458), (33, 627102), (42, 492723), (49, 422334), (54, 383229), (63, 328482), (66, 313551), (77, 268758), (79, 261954), (81, 255486), (98, 211167), (99, 209034), (126, 164241), (147, 140778), (154, 134379), (158, 130977), (162, 127743), (189, 109494), (198, 104517), (231, 89586), (237, 87318), (243, 85162), (294, 70389), (297, 69678), (378, 54747), (441, 46926), (462, 44793), (474, 43659), (486, 42581), (539, 38394), (553, 37422), (567, 36498), (594, 34839), (693, 29862), (711, 29106), (869, 23814), (882, 23463), (891, 23226), (1078, 19197), (1106, 18711), (1134, 18249), (1323, 15642), (1386, 14931), (1422, 14553), (1617, 12798), (1659, 12474), (1701, 12166), (1738, 11907), (1782, 11613), (2079, 9954), (2133, 9702), (2607, 7938), (2646, 7821), (2673, 7742), (3234, 6399), (3318, 6237), (3402, 6083), (3871, 5346), (3969, 5214), (4158, 4977), (4266, 4851)]