20996933238

素因数分解:

$2^1\times 3^4\times {\mathrm{151}}^1\times {\mathrm{809}}^1\times {\mathrm{1061}}^1$

素因数の和:2035

約数の個数: 80

約数和(自身を含む): 47463498720

約数和(自身を除く): 26466565482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 302, 453, 809, 906, 1061, 1359, 1618, 2122, 2427, 2718, 3183, 4077, 4854, 6366, 7281, 8154, 9549, 12231, 14562, 19098, 21843, 24462, 28647, 43686, 57294, 65529, 85941, 122159, 131058, 160211, 171882, 244318, 320422, 366477, 480633, 732954, 858349, 961266, 1099431, 1441899, 1716698, 2198862, 2575047, 2883798, 3298293, 4325697, 5150094, 6596586, 7725141, 8651394, 9894879, 12977091, 15450282, 19789758, 23175423, 25954182, 46350846, 69526269, 129610699, 139052538, 259221398, 388832097, 777664194, 1166496291, 2332992582, 3499488873, 6998977746, 10498466619, 20996933238]

約数ペア:

[(1, 20996933238), (2, 10498466619), (3, 6998977746), (6, 3499488873), (9, 2332992582), (18, 1166496291), (27, 777664194), (54, 388832097), (81, 259221398), (151, 139052538), (162, 129610699), (302, 69526269), (453, 46350846), (809, 25954182), (906, 23175423), (1061, 19789758), (1359, 15450282), (1618, 12977091), (2122, 9894879), (2427, 8651394), (2718, 7725141), (3183, 6596586), (4077, 5150094), (4854, 4325697), (6366, 3298293), (7281, 2883798), (8154, 2575047), (9549, 2198862), (12231, 1716698), (14562, 1441899), (19098, 1099431), (21843, 961266), (24462, 858349), (28647, 732954), (43686, 480633), (57294, 366477), (65529, 320422), (85941, 244318), (122159, 171882), (131058, 160211)]