20007288

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 64822680

約数和(自身を除く): 44815392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 53, 56, 63, 72, 84, 98, 106, 107, 126, 147, 159, 168, 196, 212, 214, 252, 294, 318, 321, 371, 392, 424, 428, 441, 477, 504, 588, 636, 642, 742, 749, 856, 882, 954, 963, 1113, 1176, 1272, 1284, 1484, 1498, 1764, 1908, 1926, 2226, 2247, 2568, 2597, 2968, 2996, 3339, 3528, 3816, 3852, 4452, 4494, 5194, 5243, 5671, 5992, 6678, 6741, 7704, 7791, 8904, 8988, 10388, 10486, 11342, 13356, 13482, 15582, 15729, 17013, 17976, 20776, 20972, 22684, 23373, 26712, 26964, 31164, 31458, 34026, 39697, 41944, 45368, 46746, 47187, 51039, 53928, 62328, 62916, 68052, 79394, 93492, 94374, 102078, 119091, 125832, 136104, 158788, 186984, 188748, 204156, 238182, 277879, 317576, 357273, 377496, 408312, 476364, 555758, 714546, 833637, 952728, 1111516, 1429092, 1667274, 2223032, 2500911, 2858184, 3334548, 5001822, 6669096, 10003644, 20007288]

約数ペア:

[(1, 20007288), (2, 10003644), (3, 6669096), (4, 5001822), (6, 3334548), (7, 2858184), (8, 2500911), (9, 2223032), (12, 1667274), (14, 1429092), (18, 1111516), (21, 952728), (24, 833637), (28, 714546), (36, 555758), (42, 476364), (49, 408312), (53, 377496), (56, 357273), (63, 317576), (72, 277879), (84, 238182), (98, 204156), (106, 188748), (107, 186984), (126, 158788), (147, 136104), (159, 125832), (168, 119091), (196, 102078), (212, 94374), (214, 93492), (252, 79394), (294, 68052), (318, 62916), (321, 62328), (371, 53928), (392, 51039), (424, 47187), (428, 46746), (441, 45368), (477, 41944), (504, 39697), (588, 34026), (636, 31458), (642, 31164), (742, 26964), (749, 26712), (856, 23373), (882, 22684), (954, 20972), (963, 20776), (1113, 17976), (1176, 17013), (1272, 15729), (1284, 15582), (1484, 13482), (1498, 13356), (1764, 11342), (1908, 10486), (1926, 10388), (2226, 8988), (2247, 8904), (2568, 7791), (2597, 7704), (2968, 6741), (2996, 6678), (3339, 5992), (3528, 5671), (3816, 5243), (3852, 5194), (4452, 4494)]