20276960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 53724384

約数和(自身を除く): 33447424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 80, 82, 88, 110, 160, 164, 176, 205, 220, 281, 328, 352, 410, 440, 451, 562, 656, 820, 880, 902, 1124, 1312, 1405, 1640, 1760, 1804, 2248, 2255, 2810, 3091, 3280, 3608, 4496, 4510, 5620, 6182, 6560, 7216, 8992, 9020, 11240, 11521, 12364, 14432, 15455, 18040, 22480, 23042, 24728, 30910, 36080, 44960, 46084, 49456, 57605, 61820, 72160, 92168, 98912, 115210, 123640, 126731, 184336, 230420, 247280, 253462, 368672, 460840, 494560, 506924, 633655, 921680, 1013848, 1267310, 1843360, 2027696, 2534620, 4055392, 5069240, 10138480, 20276960]

約数ペア:

[(1, 20276960), (2, 10138480), (4, 5069240), (5, 4055392), (8, 2534620), (10, 2027696), (11, 1843360), (16, 1267310), (20, 1013848), (22, 921680), (32, 633655), (40, 506924), (41, 494560), (44, 460840), (55, 368672), (80, 253462), (82, 247280), (88, 230420), (110, 184336), (160, 126731), (164, 123640), (176, 115210), (205, 98912), (220, 92168), (281, 72160), (328, 61820), (352, 57605), (410, 49456), (440, 46084), (451, 44960), (562, 36080), (656, 30910), (820, 24728), (880, 23042), (902, 22480), (1124, 18040), (1312, 15455), (1405, 14432), (1640, 12364), (1760, 11521), (1804, 11240), (2248, 9020), (2255, 8992), (2810, 7216), (3091, 6560), (3280, 6182), (3608, 5620), (4496, 4510)]