20778030

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 69189120

約数和(自身を除く): 48411090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 43, 45, 59, 63, 65, 70, 78, 86, 90, 91, 105, 117, 118, 126, 129, 130, 177, 182, 195, 210, 215, 234, 258, 273, 295, 301, 315, 354, 387, 390, 413, 430, 455, 531, 546, 559, 585, 590, 602, 630, 645, 767, 774, 819, 826, 885, 903, 910, 1062, 1118, 1170, 1239, 1290, 1365, 1505, 1534, 1638, 1677, 1770, 1806, 1935, 2065, 2301, 2478, 2537, 2655, 2709, 2730, 2795, 3010, 3354, 3717, 3835, 3870, 3913, 4095, 4130, 4515, 4602, 5031, 5074, 5310, 5369, 5418, 5590, 6195, 6903, 7434, 7611, 7670, 7826, 8190, 8385, 9030, 10062, 10738, 11505, 11739, 12390, 12685, 13545, 13806, 15222, 16107, 16770, 17759, 18585, 19565, 22833, 23010, 23478, 25155, 25370, 26845, 27090, 32214, 32981, 34515, 35217, 35518, 37170, 38055, 39130, 45666, 48321, 50310, 53277, 53690, 58695, 65962, 69030, 70434, 76110, 80535, 88795, 96642, 98943, 106554, 114165, 117390, 159831, 161070, 164905, 176085, 177590, 197886, 228330, 230867, 241605, 266385, 296829, 319662, 329810, 352170, 461734, 483210, 494715, 532770, 593658, 692601, 799155, 989430, 1154335, 1385202, 1484145, 1598310, 2077803, 2308670, 2968290, 3463005, 4155606, 6926010, 10389015, 20778030]

約数ペア:

[(1, 20778030), (2, 10389015), (3, 6926010), (5, 4155606), (6, 3463005), (7, 2968290), (9, 2308670), (10, 2077803), (13, 1598310), (14, 1484145), (15, 1385202), (18, 1154335), (21, 989430), (26, 799155), (30, 692601), (35, 593658), (39, 532770), (42, 494715), (43, 483210), (45, 461734), (59, 352170), (63, 329810), (65, 319662), (70, 296829), (78, 266385), (86, 241605), (90, 230867), (91, 228330), (105, 197886), (117, 177590), (118, 176085), (126, 164905), (129, 161070), (130, 159831), (177, 117390), (182, 114165), (195, 106554), (210, 98943), (215, 96642), (234, 88795), (258, 80535), (273, 76110), (295, 70434), (301, 69030), (315, 65962), (354, 58695), (387, 53690), (390, 53277), (413, 50310), (430, 48321), (455, 45666), (531, 39130), (546, 38055), (559, 37170), (585, 35518), (590, 35217), (602, 34515), (630, 32981), (645, 32214), (767, 27090), (774, 26845), (819, 25370), (826, 25155), (885, 23478), (903, 23010), (910, 22833), (1062, 19565), (1118, 18585), (1170, 17759), (1239, 16770), (1290, 16107), (1365, 15222), (1505, 13806), (1534, 13545), (1638, 12685), (1677, 12390), (1770, 11739), (1806, 11505), (1935, 10738), (2065, 10062), (2301, 9030), (2478, 8385), (2537, 8190), (2655, 7826), (2709, 7670), (2730, 7611), (2795, 7434), (3010, 6903), (3354, 6195), (3717, 5590), (3835, 5418), (3870, 5369), (3913, 5310), (4095, 5074), (4130, 5031), (4515, 4602)]