20043480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 64800000

約数和(自身を除く): 44756520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 59, 60, 76, 95, 114, 118, 120, 149, 152, 177, 190, 228, 236, 285, 295, 298, 354, 380, 447, 456, 472, 570, 590, 596, 708, 745, 760, 885, 894, 1121, 1140, 1180, 1192, 1416, 1490, 1770, 1788, 2235, 2242, 2280, 2360, 2831, 2980, 3363, 3540, 3576, 4470, 4484, 5605, 5662, 5960, 6726, 7080, 8493, 8791, 8940, 8968, 11210, 11324, 13452, 14155, 16815, 16986, 17582, 17880, 22420, 22648, 26373, 26904, 28310, 33630, 33972, 35164, 42465, 43955, 44840, 52746, 56620, 67260, 67944, 70328, 84930, 87910, 105492, 113240, 131865, 134520, 167029, 169860, 175820, 210984, 263730, 334058, 339720, 351640, 501087, 527460, 668116, 835145, 1002174, 1054920, 1336232, 1670290, 2004348, 2505435, 3340580, 4008696, 5010870, 6681160, 10021740, 20043480]

約数ペア:

[(1, 20043480), (2, 10021740), (3, 6681160), (4, 5010870), (5, 4008696), (6, 3340580), (8, 2505435), (10, 2004348), (12, 1670290), (15, 1336232), (19, 1054920), (20, 1002174), (24, 835145), (30, 668116), (38, 527460), (40, 501087), (57, 351640), (59, 339720), (60, 334058), (76, 263730), (95, 210984), (114, 175820), (118, 169860), (120, 167029), (149, 134520), (152, 131865), (177, 113240), (190, 105492), (228, 87910), (236, 84930), (285, 70328), (295, 67944), (298, 67260), (354, 56620), (380, 52746), (447, 44840), (456, 43955), (472, 42465), (570, 35164), (590, 33972), (596, 33630), (708, 28310), (745, 26904), (760, 26373), (885, 22648), (894, 22420), (1121, 17880), (1140, 17582), (1180, 16986), (1192, 16815), (1416, 14155), (1490, 13452), (1770, 11324), (1788, 11210), (2235, 8968), (2242, 8940), (2280, 8791), (2360, 8493), (2831, 7080), (2980, 6726), (3363, 5960), (3540, 5662), (3576, 5605), (4470, 4484)]