20508787740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7333}}^1\times {\mathrm{6659}}^1$

素因数の和:14011

約数の個数: 96

約数和(自身を含む): 65646927360

約数和(自身を除く): 45138139620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 6659, 7333, 13318, 14666, 19977, 21999, 26636, 29332, 33295, 36665, 39954, 43998, 46613, 51331, 66590, 73330, 79908, 87996, 93226, 99885, 102662, 109995, 133180, 139839, 146660, 153993, 186452, 199770, 205324, 219990, 233065, 256655, 279678, 307986, 399540, 439980, 466130, 513310, 559356, 615972, 699195, 769965, 932260, 1026620, 1398390, 1539930, 2796780, 3079860, 48830447, 97660894, 146491341, 195321788, 244152235, 292982682, 341813129, 488304470, 585965364, 683626258, 732456705, 976608940, 1025439387, 1367252516, 1464913410, 1709065645, 2050878774, 2929826820, 3418131290, 4101757548, 5127196935, 6836262580, 10254393870, 20508787740]

約数ペア:

[(1, 20508787740), (2, 10254393870), (3, 6836262580), (4, 5127196935), (5, 4101757548), (6, 3418131290), (7, 2929826820), (10, 2050878774), (12, 1709065645), (14, 1464913410), (15, 1367252516), (20, 1025439387), (21, 976608940), (28, 732456705), (30, 683626258), (35, 585965364), (42, 488304470), (60, 341813129), (70, 292982682), (84, 244152235), (105, 195321788), (140, 146491341), (210, 97660894), (420, 48830447), (6659, 3079860), (7333, 2796780), (13318, 1539930), (14666, 1398390), (19977, 1026620), (21999, 932260), (26636, 769965), (29332, 699195), (33295, 615972), (36665, 559356), (39954, 513310), (43998, 466130), (46613, 439980), (51331, 399540), (66590, 307986), (73330, 279678), (79908, 256655), (87996, 233065), (93226, 219990), (99885, 205324), (102662, 199770), (109995, 186452), (133180, 153993), (139839, 146660)]