20170458

素因数分解:

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

素因数の和:60

約数の個数: 144

約数和(自身を含む): 58094400

約数和(自身を除く): 37923942

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 81, 98, 99, 121, 126, 147, 154, 162, 189, 198, 231, 242, 243, 294, 297, 343, 363, 378, 441, 462, 486, 539, 567, 594, 686, 693, 726, 847, 882, 891, 1029, 1078, 1089, 1134, 1323, 1386, 1617, 1694, 1701, 1782, 2058, 2079, 2178, 2541, 2646, 2673, 3087, 3234, 3267, 3402, 3773, 3969, 4158, 4851, 5082, 5346, 5929, 6174, 6237, 6534, 7546, 7623, 7938, 9261, 9702, 9801, 11319, 11858, 11907, 12474, 14553, 15246, 17787, 18522, 18711, 19602, 22638, 22869, 23814, 27783, 29106, 29403, 33957, 35574, 37422, 41503, 43659, 45738, 53361, 55566, 58806, 67914, 68607, 83006, 83349, 87318, 101871, 106722, 124509, 130977, 137214, 160083, 166698, 203742, 205821, 249018, 261954, 305613, 320166, 373527, 411642, 480249, 611226, 747054, 916839, 960498, 1120581, 1440747, 1833678, 2241162, 2881494, 3361743, 6723486, 10085229, 20170458]

約数ペア:

[(1, 20170458), (2, 10085229), (3, 6723486), (6, 3361743), (7, 2881494), (9, 2241162), (11, 1833678), (14, 1440747), (18, 1120581), (21, 960498), (22, 916839), (27, 747054), (33, 611226), (42, 480249), (49, 411642), (54, 373527), (63, 320166), (66, 305613), (77, 261954), (81, 249018), (98, 205821), (99, 203742), (121, 166698), (126, 160083), (147, 137214), (154, 130977), (162, 124509), (189, 106722), (198, 101871), (231, 87318), (242, 83349), (243, 83006), (294, 68607), (297, 67914), (343, 58806), (363, 55566), (378, 53361), (441, 45738), (462, 43659), (486, 41503), (539, 37422), (567, 35574), (594, 33957), (686, 29403), (693, 29106), (726, 27783), (847, 23814), (882, 22869), (891, 22638), (1029, 19602), (1078, 18711), (1089, 18522), (1134, 17787), (1323, 15246), (1386, 14553), (1617, 12474), (1694, 11907), (1701, 11858), (1782, 11319), (2058, 9801), (2079, 9702), (2178, 9261), (2541, 7938), (2646, 7623), (2673, 7546), (3087, 6534), (3234, 6237), (3267, 6174), (3402, 5929), (3773, 5346), (3969, 5082), (4158, 4851)]