20485116

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 57120000

約数和(自身を除く): 36634884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 67, 76, 108, 114, 134, 149, 171, 201, 228, 268, 298, 342, 402, 447, 513, 596, 603, 684, 804, 894, 1026, 1206, 1273, 1341, 1788, 1809, 2052, 2412, 2546, 2682, 2831, 3618, 3819, 4023, 5092, 5364, 5662, 7236, 7638, 8046, 8493, 9983, 11324, 11457, 15276, 16092, 16986, 19966, 22914, 25479, 29949, 33972, 34371, 39932, 45828, 50958, 59898, 68742, 76437, 89847, 101916, 119796, 137484, 152874, 179694, 189677, 269541, 305748, 359388, 379354, 539082, 569031, 758708, 1078164, 1138062, 1707093, 2276124, 3414186, 5121279, 6828372, 10242558, 20485116]

約数ペア:

[(1, 20485116), (2, 10242558), (3, 6828372), (4, 5121279), (6, 3414186), (9, 2276124), (12, 1707093), (18, 1138062), (19, 1078164), (27, 758708), (36, 569031), (38, 539082), (54, 379354), (57, 359388), (67, 305748), (76, 269541), (108, 189677), (114, 179694), (134, 152874), (149, 137484), (171, 119796), (201, 101916), (228, 89847), (268, 76437), (298, 68742), (342, 59898), (402, 50958), (447, 45828), (513, 39932), (596, 34371), (603, 33972), (684, 29949), (804, 25479), (894, 22914), (1026, 19966), (1206, 16986), (1273, 16092), (1341, 15276), (1788, 11457), (1809, 11324), (2052, 9983), (2412, 8493), (2546, 8046), (2682, 7638), (2831, 7236), (3618, 5662), (3819, 5364), (4023, 5092)]