20192744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 46872000

約数和(自身を除く): 26679256

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 929, 988, 1144, 1672, 1858, 1976, 2717, 3716, 5434, 7432, 10219, 10868, 12077, 17651, 20438, 21736, 24154, 35302, 40876, 48308, 70604, 81752, 96616, 132847, 141208, 194161, 229463, 265694, 388322, 458926, 531388, 776644, 917852, 1062776, 1553288, 1835704, 2524093, 5048186, 10096372, 20192744]

約数ペア:

[(1, 20192744), (2, 10096372), (4, 5048186), (8, 2524093), (11, 1835704), (13, 1553288), (19, 1062776), (22, 917852), (26, 776644), (38, 531388), (44, 458926), (52, 388322), (76, 265694), (88, 229463), (104, 194161), (143, 141208), (152, 132847), (209, 96616), (247, 81752), (286, 70604), (418, 48308), (494, 40876), (572, 35302), (836, 24154), (929, 21736), (988, 20438), (1144, 17651), (1672, 12077), (1858, 10868), (1976, 10219), (2717, 7432), (3716, 5434)]