20869689960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{394363}}^1$

素因数の和:394397

約数の個数: 192

約数和(自身を含む): 80923492800

約数和(自身を除く): 60053802840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 13230, 17640, 26460, 52920, 394363, 788726, 1183089, 1577452, 1971815, 2366178, 2760541, 3154904, 3549267, 3943630, 4732356, 5521082, 5915445, 7098534, 7887260, 8281623, 9464712, 10647801, 11042164, 11830890, 13802705, 14197068, 15774520, 16563246, 17746335, 19323787, 21295602, 22084328, 23661780, 24844869, 27605410, 28394136, 33126492, 35492670, 38647574, 41408115, 42591204, 47323560, 49689738, 53239005, 55210820, 57971361, 66252984, 70985340, 74534607, 77295148, 82816230, 85182408, 96618935, 99379476, 106478010, 110421640, 115942722, 124224345, 141970680, 149069214, 154590296, 165632460, 173914083, 193237870, 198758952, 212956020, 231885444, 248448690, 289856805, 298138428, 331264920, 347828166, 372673035, 386475740, 425912040, 463770888, 496897380, 521742249, 579713610, 596276856, 695656332, 745346070, 772951480, 869570415, 993794760, 1043484498, 1159427220, 1391312664, 1490692140, 1739140830, 2086968996, 2318854440, 2608711245, 2981384280, 3478281660, 4173937992, 5217422490, 6956563320, 10434844980, 20869689960]

約数ペア:

[(1, 20869689960), (2, 10434844980), (3, 6956563320), (4, 5217422490), (5, 4173937992), (6, 3478281660), (7, 2981384280), (8, 2608711245), (9, 2318854440), (10, 2086968996), (12, 1739140830), (14, 1490692140), (15, 1391312664), (18, 1159427220), (20, 1043484498), (21, 993794760), (24, 869570415), (27, 772951480), (28, 745346070), (30, 695656332), (35, 596276856), (36, 579713610), (40, 521742249), (42, 496897380), (45, 463770888), (49, 425912040), (54, 386475740), (56, 372673035), (60, 347828166), (63, 331264920), (70, 298138428), (72, 289856805), (84, 248448690), (90, 231885444), (98, 212956020), (105, 198758952), (108, 193237870), (120, 173914083), (126, 165632460), (135, 154590296), (140, 149069214), (147, 141970680), (168, 124224345), (180, 115942722), (189, 110421640), (196, 106478010), (210, 99379476), (216, 96618935), (245, 85182408), (252, 82816230), (270, 77295148), (280, 74534607), (294, 70985340), (315, 66252984), (360, 57971361), (378, 55210820), (392, 53239005), (420, 49689738), (441, 47323560), (490, 42591204), (504, 41408115), (540, 38647574), (588, 35492670), (630, 33126492), (735, 28394136), (756, 27605410), (840, 24844869), (882, 23661780), (945, 22084328), (980, 21295602), (1080, 19323787), (1176, 17746335), (1260, 16563246), (1323, 15774520), (1470, 14197068), (1512, 13802705), (1764, 11830890), (1890, 11042164), (1960, 10647801), (2205, 9464712), (2520, 8281623), (2646, 7887260), (2940, 7098534), (3528, 5915445), (3780, 5521082), (4410, 4732356), (5292, 3943630), (5880, 3549267), (6615, 3154904), (7560, 2760541), (8820, 2366178), (10584, 1971815), (13230, 1577452), (17640, 1183089), (26460, 788726), (52920, 394363)]