20830320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4133}}^1$

素因数の和:4159

約数の個数: 120

約数和(自身を含む): 79968096

約数和(自身を除く): 59137776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 4133, 5040, 8266, 12399, 16532, 20665, 24798, 28931, 33064, 37197, 41330, 49596, 57862, 61995, 66128, 74394, 82660, 86793, 99192, 115724, 123990, 144655, 148788, 165320, 173586, 185985, 198384, 231448, 247980, 260379, 289310, 297576, 330640, 347172, 371970, 433965, 462896, 495960, 520758, 578620, 595152, 694344, 743940, 867930, 991920, 1041516, 1157240, 1301895, 1388688, 1487880, 1735860, 2083032, 2314480, 2603790, 2975760, 3471720, 4166064, 5207580, 6943440, 10415160, 20830320]

約数ペア:

[(1, 20830320), (2, 10415160), (3, 6943440), (4, 5207580), (5, 4166064), (6, 3471720), (7, 2975760), (8, 2603790), (9, 2314480), (10, 2083032), (12, 1735860), (14, 1487880), (15, 1388688), (16, 1301895), (18, 1157240), (20, 1041516), (21, 991920), (24, 867930), (28, 743940), (30, 694344), (35, 595152), (36, 578620), (40, 520758), (42, 495960), (45, 462896), (48, 433965), (56, 371970), (60, 347172), (63, 330640), (70, 297576), (72, 289310), (80, 260379), (84, 247980), (90, 231448), (105, 198384), (112, 185985), (120, 173586), (126, 165320), (140, 148788), (144, 144655), (168, 123990), (180, 115724), (210, 99192), (240, 86793), (252, 82660), (280, 74394), (315, 66128), (336, 61995), (360, 57862), (420, 49596), (504, 41330), (560, 37197), (630, 33064), (720, 28931), (840, 24798), (1008, 20665), (1260, 16532), (1680, 12399), (2520, 8266), (4133, 5040)]