20334960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 69561024

約数和(自身を除く): 49226064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 463, 488, 549, 610, 720, 732, 915, 926, 976, 1098, 1220, 1389, 1464, 1830, 1852, 2196, 2315, 2440, 2745, 2778, 2928, 3660, 3704, 4167, 4392, 4630, 4880, 5490, 5556, 6945, 7320, 7408, 8334, 8784, 9260, 10980, 11112, 13890, 14640, 16668, 18520, 20835, 21960, 22224, 27780, 28243, 33336, 37040, 41670, 43920, 55560, 56486, 66672, 83340, 84729, 111120, 112972, 141215, 166680, 169458, 225944, 254187, 282430, 333360, 338916, 423645, 451888, 508374, 564860, 677832, 847290, 1016748, 1129720, 1270935, 1355664, 1694580, 2033496, 2259440, 2541870, 3389160, 4066992, 5083740, 6778320, 10167480, 20334960]

約数ペア:

[(1, 20334960), (2, 10167480), (3, 6778320), (4, 5083740), (5, 4066992), (6, 3389160), (8, 2541870), (9, 2259440), (10, 2033496), (12, 1694580), (15, 1355664), (16, 1270935), (18, 1129720), (20, 1016748), (24, 847290), (30, 677832), (36, 564860), (40, 508374), (45, 451888), (48, 423645), (60, 338916), (61, 333360), (72, 282430), (80, 254187), (90, 225944), (120, 169458), (122, 166680), (144, 141215), (180, 112972), (183, 111120), (240, 84729), (244, 83340), (305, 66672), (360, 56486), (366, 55560), (463, 43920), (488, 41670), (549, 37040), (610, 33336), (720, 28243), (732, 27780), (915, 22224), (926, 21960), (976, 20835), (1098, 18520), (1220, 16668), (1389, 14640), (1464, 13890), (1830, 11112), (1852, 10980), (2196, 9260), (2315, 8784), (2440, 8334), (2745, 7408), (2778, 7320), (2928, 6945), (3660, 5556), (3704, 5490), (4167, 4880), (4392, 4630)]