20584410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 66977280

約数和(自身を除く): 46392870

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 49, 55, 57, 66, 67, 70, 77, 95, 98, 105, 110, 114, 133, 134, 147, 154, 165, 190, 201, 209, 210, 231, 245, 266, 285, 294, 330, 335, 385, 399, 402, 418, 462, 469, 490, 539, 570, 627, 665, 670, 735, 737, 770, 798, 931, 938, 1005, 1045, 1078, 1155, 1254, 1273, 1330, 1407, 1463, 1470, 1474, 1617, 1862, 1995, 2010, 2090, 2211, 2310, 2345, 2546, 2695, 2793, 2814, 2926, 3135, 3234, 3283, 3685, 3819, 3990, 4389, 4422, 4655, 4690, 5159, 5390, 5586, 6270, 6365, 6566, 7035, 7315, 7370, 7638, 8085, 8778, 8911, 9310, 9849, 10241, 10318, 11055, 12730, 13965, 14003, 14070, 14630, 15477, 16170, 16415, 17822, 19095, 19698, 20482, 21945, 22110, 25795, 26733, 27930, 28006, 30723, 30954, 32830, 36113, 38190, 42009, 43890, 44555, 49245, 51205, 51590, 53466, 61446, 62377, 70015, 72226, 77385, 84018, 89110, 98021, 98490, 102410, 108339, 124754, 133665, 140030, 153615, 154770, 180565, 187131, 196042, 210045, 216678, 267330, 294063, 307230, 311885, 361130, 374262, 420090, 490105, 541695, 588126, 623770, 686147, 935655, 980210, 1083390, 1372294, 1470315, 1871310, 2058441, 2940630, 3430735, 4116882, 6861470, 10292205, 20584410]

約数ペア:

[(1, 20584410), (2, 10292205), (3, 6861470), (5, 4116882), (6, 3430735), (7, 2940630), (10, 2058441), (11, 1871310), (14, 1470315), (15, 1372294), (19, 1083390), (21, 980210), (22, 935655), (30, 686147), (33, 623770), (35, 588126), (38, 541695), (42, 490105), (49, 420090), (55, 374262), (57, 361130), (66, 311885), (67, 307230), (70, 294063), (77, 267330), (95, 216678), (98, 210045), (105, 196042), (110, 187131), (114, 180565), (133, 154770), (134, 153615), (147, 140030), (154, 133665), (165, 124754), (190, 108339), (201, 102410), (209, 98490), (210, 98021), (231, 89110), (245, 84018), (266, 77385), (285, 72226), (294, 70015), (330, 62377), (335, 61446), (385, 53466), (399, 51590), (402, 51205), (418, 49245), (462, 44555), (469, 43890), (490, 42009), (539, 38190), (570, 36113), (627, 32830), (665, 30954), (670, 30723), (735, 28006), (737, 27930), (770, 26733), (798, 25795), (931, 22110), (938, 21945), (1005, 20482), (1045, 19698), (1078, 19095), (1155, 17822), (1254, 16415), (1273, 16170), (1330, 15477), (1407, 14630), (1463, 14070), (1470, 14003), (1474, 13965), (1617, 12730), (1862, 11055), (1995, 10318), (2010, 10241), (2090, 9849), (2211, 9310), (2310, 8911), (2345, 8778), (2546, 8085), (2695, 7638), (2793, 7370), (2814, 7315), (2926, 7035), (3135, 6566), (3234, 6365), (3283, 6270), (3685, 5586), (3819, 5390), (3990, 5159), (4389, 4690), (4422, 4655)]