20528341020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1657}}^1\times {\mathrm{6257}}^1$

素因数の和:7940

約数の個数: 144

約数和(自身を含む): 67982005728

約数和(自身を除く): 47453664708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1657, 1980, 3314, 4971, 6257, 6628, 8285, 9942, 12514, 14913, 16570, 18227, 18771, 19884, 24855, 25028, 29826, 31285, 33140, 36454, 37542, 49710, 54681, 56313, 59652, 62570, 68827, 72908, 74565, 75084, 91135, 93855, 99420, 109362, 112626, 125140, 137654, 149130, 164043, 182270, 187710, 206481, 218724, 225252, 273405, 275308, 281565, 298260, 328086, 344135, 364540, 375420, 412962, 546810, 563130, 619443, 656172, 688270, 820215, 825924, 1032405, 1093620, 1126260, 1238886, 1376540, 1640430, 2064810, 2477772, 3097215, 3280860, 4129620, 6194430, 10367849, 12388860, 20735698, 31103547, 41471396, 51839245, 62207094, 93310641, 103678490, 114046339, 124414188, 155517735, 186621282, 207356980, 228092678, 311035470, 342139017, 373242564, 456185356, 466553205, 570231695, 622070940, 684278034, 933106410, 1026417051, 1140463390, 1368556068, 1710695085, 1866212820, 2052834102, 2280926780, 3421390170, 4105668204, 5132085255, 6842780340, 10264170510, 20528341020]

約数ペア:

[(1, 20528341020), (2, 10264170510), (3, 6842780340), (4, 5132085255), (5, 4105668204), (6, 3421390170), (9, 2280926780), (10, 2052834102), (11, 1866212820), (12, 1710695085), (15, 1368556068), (18, 1140463390), (20, 1026417051), (22, 933106410), (30, 684278034), (33, 622070940), (36, 570231695), (44, 466553205), (45, 456185356), (55, 373242564), (60, 342139017), (66, 311035470), (90, 228092678), (99, 207356980), (110, 186621282), (132, 155517735), (165, 124414188), (180, 114046339), (198, 103678490), (220, 93310641), (330, 62207094), (396, 51839245), (495, 41471396), (660, 31103547), (990, 20735698), (1657, 12388860), (1980, 10367849), (3314, 6194430), (4971, 4129620), (6257, 3280860), (6628, 3097215), (8285, 2477772), (9942, 2064810), (12514, 1640430), (14913, 1376540), (16570, 1238886), (18227, 1126260), (18771, 1093620), (19884, 1032405), (24855, 825924), (25028, 820215), (29826, 688270), (31285, 656172), (33140, 619443), (36454, 563130), (37542, 546810), (49710, 412962), (54681, 375420), (56313, 364540), (59652, 344135), (62570, 328086), (68827, 298260), (72908, 281565), (74565, 275308), (75084, 273405), (91135, 225252), (93855, 218724), (99420, 206481), (109362, 187710), (112626, 182270), (125140, 164043), (137654, 149130)]