20894433840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1381907}}^1$

素因数の和:1381936

約数の個数: 160

約数和(自身を含む): 82251164160

約数和(自身を除く): 61356730320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 1381907, 2763814, 4145721, 5527628, 6909535, 8291442, 9673349, 11055256, 12437163, 13819070, 16582884, 19346698, 20728605, 22110512, 24874326, 27638140, 29020047, 33165768, 37311489, 38693396, 41457210, 48366745, 49748652, 55276280, 58040094, 62185815, 66331536, 74622978, 77386792, 82914420, 87060141, 96733490, 99497304, 110552560, 116080188, 124371630, 145100235, 149245956, 154773584, 165828840, 174120282, 186557445, 193466980, 198994608, 232160376, 248743260, 261180423, 290200470, 298491912, 331657680, 348240564, 373114890, 386933960, 435300705, 464320752, 497486520, 522360846, 580400940, 596983824, 696481128, 746229780, 773867920, 870601410, 994973040, 1044721692, 1160801880, 1305902115, 1392962256, 1492459560, 1741202820, 2089443384, 2321603760, 2611804230, 2984919120, 3482405640, 4178886768, 5223608460, 6964811280, 10447216920, 20894433840]

約数ペア:

[(1, 20894433840), (2, 10447216920), (3, 6964811280), (4, 5223608460), (5, 4178886768), (6, 3482405640), (7, 2984919120), (8, 2611804230), (9, 2321603760), (10, 2089443384), (12, 1741202820), (14, 1492459560), (15, 1392962256), (16, 1305902115), (18, 1160801880), (20, 1044721692), (21, 994973040), (24, 870601410), (27, 773867920), (28, 746229780), (30, 696481128), (35, 596983824), (36, 580400940), (40, 522360846), (42, 497486520), (45, 464320752), (48, 435300705), (54, 386933960), (56, 373114890), (60, 348240564), (63, 331657680), (70, 298491912), (72, 290200470), (80, 261180423), (84, 248743260), (90, 232160376), (105, 198994608), (108, 193466980), (112, 186557445), (120, 174120282), (126, 165828840), (135, 154773584), (140, 149245956), (144, 145100235), (168, 124371630), (180, 116080188), (189, 110552560), (210, 99497304), (216, 96733490), (240, 87060141), (252, 82914420), (270, 77386792), (280, 74622978), (315, 66331536), (336, 62185815), (360, 58040094), (378, 55276280), (420, 49748652), (432, 48366745), (504, 41457210), (540, 38693396), (560, 37311489), (630, 33165768), (720, 29020047), (756, 27638140), (840, 24874326), (945, 22110512), (1008, 20728605), (1080, 19346698), (1260, 16582884), (1512, 13819070), (1680, 12437163), (1890, 11055256), (2160, 9673349), (2520, 8291442), (3024, 6909535), (3780, 5527628), (5040, 4145721), (7560, 2763814), (15120, 1381907)]