20977164

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 59709440

約数和(自身を除く): 38732276

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 67, 78, 108, 117, 134, 156, 201, 223, 234, 268, 351, 402, 446, 468, 603, 669, 702, 804, 871, 892, 1206, 1338, 1404, 1742, 1809, 2007, 2412, 2613, 2676, 2899, 3484, 3618, 4014, 5226, 5798, 6021, 7236, 7839, 8028, 8697, 10452, 11596, 12042, 14941, 15678, 17394, 23517, 24084, 26091, 29882, 31356, 34788, 44823, 47034, 52182, 59764, 78273, 89646, 94068, 104364, 134469, 156546, 179292, 194233, 268938, 313092, 388466, 403407, 537876, 582699, 776932, 806814, 1165398, 1613628, 1748097, 2330796, 3496194, 5244291, 6992388, 10488582, 20977164]

約数ペア:

[(1, 20977164), (2, 10488582), (3, 6992388), (4, 5244291), (6, 3496194), (9, 2330796), (12, 1748097), (13, 1613628), (18, 1165398), (26, 806814), (27, 776932), (36, 582699), (39, 537876), (52, 403407), (54, 388466), (67, 313092), (78, 268938), (108, 194233), (117, 179292), (134, 156546), (156, 134469), (201, 104364), (223, 94068), (234, 89646), (268, 78273), (351, 59764), (402, 52182), (446, 47034), (468, 44823), (603, 34788), (669, 31356), (702, 29882), (804, 26091), (871, 24084), (892, 23517), (1206, 17394), (1338, 15678), (1404, 14941), (1742, 12042), (1809, 11596), (2007, 10452), (2412, 8697), (2613, 8028), (2676, 7839), (2899, 7236), (3484, 6021), (3618, 5798), (4014, 5226)]