20870778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25785222

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 59, 87, 107, 114, 118, 174, 177, 214, 321, 354, 551, 642, 1102, 1121, 1653, 1711, 2033, 2242, 3103, 3306, 3363, 3422, 4066, 5133, 6099, 6206, 6313, 6726, 9309, 10266, 12198, 12626, 18618, 18939, 32509, 37878, 58957, 65018, 97527, 117914, 119947, 176871, 183077, 195054, 239894, 353742, 359841, 366154, 549231, 719682, 1098462, 3478463, 6956926, 10435389, 20870778]

約数ペア:

[(1, 20870778), (2, 10435389), (3, 6956926), (6, 3478463), (19, 1098462), (29, 719682), (38, 549231), (57, 366154), (58, 359841), (59, 353742), (87, 239894), (107, 195054), (114, 183077), (118, 176871), (174, 119947), (177, 117914), (214, 97527), (321, 65018), (354, 58957), (551, 37878), (642, 32509), (1102, 18939), (1121, 18618), (1653, 12626), (1711, 12198), (2033, 10266), (2242, 9309), (3103, 6726), (3306, 6313), (3363, 6206), (3422, 6099), (4066, 5133)]