20133281740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{1321}}^1$

素因数の和:1500

約数の個数: 144

約数和(自身を含む): 50399356896

約数和(自身を除く): 30266075156

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 73, 110, 130, 143, 146, 220, 260, 286, 292, 365, 572, 715, 730, 803, 949, 1321, 1430, 1460, 1606, 1898, 2642, 2860, 3212, 3796, 4015, 4745, 5284, 5329, 6605, 8030, 9490, 10439, 10658, 13210, 14531, 16060, 17173, 18980, 20878, 21316, 26420, 26645, 29062, 34346, 41756, 52195, 53290, 58124, 58619, 68692, 69277, 72655, 85865, 96433, 104390, 106580, 117238, 138554, 145310, 171730, 188903, 192866, 208780, 234476, 277108, 290620, 293095, 343460, 346385, 377806, 385732, 482165, 586190, 692770, 755612, 762047, 944515, 964330, 1060763, 1172380, 1253629, 1385540, 1524094, 1889030, 1928660, 2121526, 2507258, 3048188, 3778060, 3810235, 4243052, 5014516, 5303815, 6268145, 7039609, 7620470, 10607630, 12536290, 13789919, 14079218, 15240940, 21215260, 25072580, 27579838, 28158436, 35198045, 55159676, 68949595, 70396090, 77435699, 91514917, 137899190, 140792180, 154871398, 183029834, 275798380, 309742796, 366059668, 387178495, 457574585, 774356990, 915149170, 1006664087, 1548713980, 1830298340, 2013328174, 4026656348, 5033320435, 10066640870, 20133281740]

約数ペア:

[(1, 20133281740), (2, 10066640870), (4, 5033320435), (5, 4026656348), (10, 2013328174), (11, 1830298340), (13, 1548713980), (20, 1006664087), (22, 915149170), (26, 774356990), (44, 457574585), (52, 387178495), (55, 366059668), (65, 309742796), (73, 275798380), (110, 183029834), (130, 154871398), (143, 140792180), (146, 137899190), (220, 91514917), (260, 77435699), (286, 70396090), (292, 68949595), (365, 55159676), (572, 35198045), (715, 28158436), (730, 27579838), (803, 25072580), (949, 21215260), (1321, 15240940), (1430, 14079218), (1460, 13789919), (1606, 12536290), (1898, 10607630), (2642, 7620470), (2860, 7039609), (3212, 6268145), (3796, 5303815), (4015, 5014516), (4745, 4243052), (5284, 3810235), (5329, 3778060), (6605, 3048188), (8030, 2507258), (9490, 2121526), (10439, 1928660), (10658, 1889030), (13210, 1524094), (14531, 1385540), (16060, 1253629), (17173, 1172380), (18980, 1060763), (20878, 964330), (21316, 944515), (26420, 762047), (26645, 755612), (29062, 692770), (34346, 586190), (41756, 482165), (52195, 385732), (53290, 377806), (58124, 346385), (58619, 343460), (68692, 293095), (69277, 290620), (72655, 277108), (85865, 234476), (96433, 208780), (104390, 192866), (106580, 188903), (117238, 171730), (138554, 145310)]